diff --git a/src/components/layout/MainContent.tsx b/src/components/layout/MainContent.tsx
index 0fc793f..1d4688e 100644
--- a/src/components/layout/MainContent.tsx
+++ b/src/components/layout/MainContent.tsx
@@ -79,6 +79,11 @@ const MailFlowRulesPage = lazyFeature(
   () => import('@/features/dlp/RulesPage'),
   (m) => m.MailFlowRulesPage,
 );
+// INBUXA: journaling (journaling spec, §3)
+const JournalPage = lazyFeature(
+  () => import('@/features/journal/JournalPage'),
+  (m) => m.JournalPage,
+);
 const HeldMailPage = lazyFeature(
   () => import('@/features/dlp/HeldMailPage'),
   (m) => m.HeldMailPage,
@@ -240,6 +245,9 @@ function renderView(schema: Schema | null, viewName?: string, id?: string, secti
     if (componentName === 'MailFlowRules') {
       return <MailFlowRulesPage />;
     }
+    if (componentName === 'Journal') {
+      return <JournalPage />;
+    }
     if (componentName === 'HeldMail') {
       return <HeldMailPage />;
     }
diff --git a/src/features/dlp/IdPicker.tsx b/src/features/dlp/IdPicker.tsx
new file mode 100644
index 0000000..8b32739
--- /dev/null
+++ b/src/features/dlp/IdPicker.tsx
@@ -0,0 +1,62 @@
+/*
+ * SPDX-FileCopyrightText: 2026 Coffey Labs
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+/**
+ * INBUXA: picking directory objects by id, each shown by its name: DLP
+ * rule conditions and journal scopes.
+ */
+
+import { X } from 'lucide-react';
+import { ObjectPicker } from '@/components/common/ObjectPicker';
+import { useObjectLabel } from '@/lib/objectOptions';
+import { useSchemaStore } from '@/stores/schemaStore';
+
+function IdChip({ labelObject, id, onRemove }: { labelObject: string; id: string; onRemove: () => void }) {
+  const schema = useSchemaStore((s) => s.schema);
+  const { label } = useObjectLabel(labelObject, id, schema!);
+  return (
+    <span className="inline-flex items-center gap-1 rounded-md bg-muted px-2 py-0.5 text-xs">
+      {label ?? id}
+      <button type="button" onClick={onRemove} className="text-muted-foreground hover:text-foreground">
+        <X className="h-3 w-3" />
+      </button>
+    </span>
+  );
+}
+
+/** Accounts, groups, domains or tenants, picked from the directory. */
+export function IdPicker({
+  objectName,
+  labelObject,
+  ids,
+  onChange,
+  placeholder,
+}: {
+  objectName: string;
+  labelObject: string;
+  ids: string[];
+  onChange: (ids: string[]) => void;
+  placeholder: string;
+}) {
+  const schema = useSchemaStore((s) => s.schema);
+  if (!schema) return null;
+  return (
+    <div className="flex flex-wrap items-center gap-1">
+      {ids.map((id) => (
+        <IdChip key={id} labelObject={labelObject} id={id} onRemove={() => onChange(ids.filter((x) => x !== id))} />
+      ))}
+      <ObjectPicker
+        schema={schema}
+        objectName={objectName}
+        value=""
+        onChange={(id) => {
+          if (id && !ids.includes(id)) onChange([...ids, id]);
+        }}
+        placeholder={placeholder}
+      />
+    </div>
+  );
+}
diff --git a/src/features/dlp/RuleEditor.tsx b/src/features/dlp/RuleEditor.tsx
index a9fd434..89eb968 100644
--- a/src/features/dlp/RuleEditor.tsx
+++ b/src/features/dlp/RuleEditor.tsx
@@ -28,9 +28,8 @@ import {
   DialogTitle,
 } from '@/components/ui/dialog';
 import { toast } from '@/hooks/use-toast';
-import { ObjectPicker } from '@/components/common/ObjectPicker';
-import { useObjectLabel } from '@/lib/objectOptions';
-import { useSchemaStore } from '@/stores/schemaStore';
+import { IdPicker } from './IdPicker';
+import { JournalSelect } from '@/features/journal/JournalSelect';
 import { saveRule } from './api';
 import { DETECTORS, TEMPLATES, describeRule, type Action, type Condition, type Direction, type Rule } from './model';
 
@@ -185,53 +184,6 @@ function DetectorPicker({
   );
 }
 
-function IdChip({ labelObject, id, onRemove }: { labelObject: string; id: string; onRemove: () => void }) {
-  const schema = useSchemaStore((s) => s.schema);
-  const { label } = useObjectLabel(labelObject, id, schema!);
-  return (
-    <span className="inline-flex items-center gap-1 rounded-md bg-muted px-2 py-0.5 text-xs">
-      {label ?? id}
-      <button type="button" onClick={onRemove} className="text-muted-foreground hover:text-foreground">
-        <X className="h-3 w-3" />
-      </button>
-    </span>
-  );
-}
-
-/** Groups or tenants, picked from the directory. */
-function IdPicker({
-  objectName,
-  labelObject,
-  ids,
-  onChange,
-  placeholder,
-}: {
-  objectName: string;
-  labelObject: string;
-  ids: string[];
-  onChange: (ids: string[]) => void;
-  placeholder: string;
-}) {
-  const schema = useSchemaStore((s) => s.schema);
-  if (!schema) return null;
-  return (
-    <div className="flex flex-wrap items-center gap-1">
-      {ids.map((id) => (
-        <IdChip key={id} labelObject={labelObject} id={id} onRemove={() => onChange(ids.filter((x) => x !== id))} />
-      ))}
-      <ObjectPicker
-        schema={schema}
-        objectName={objectName}
-        value=""
-        onChange={(id) => {
-          if (id && !ids.includes(id)) onChange([...ids, id]);
-        }}
-        placeholder={placeholder}
-      />
-    </div>
-  );
-}
-
 function ConditionFields({ value, onChange }: { value: Condition; onChange: (c: Condition) => void }) {
   const { t } = useTranslation();
   const listField = (items: string[], build: (items: string[]) => Condition, hint: string) => (
@@ -416,6 +368,7 @@ const TRANSPORT_ACTIONS: { type: Action['type']; label: string }[] = [
   { type: 'addRecipient', label: 'Send a copy to…' },
   { type: 'redirect', label: 'Send it to someone else instead' },
   { type: 'route', label: 'Send it through a queue' },
+  { type: 'journal', label: 'Journal it' },
   { type: 'refuse', label: 'Refuse it' },
 ];
 
@@ -435,6 +388,8 @@ function blankAction(type: Action['type']): Action {
       return { type, addresses: [] };
     case 'route':
       return { type, queue: '' };
+    case 'journal':
+      return { type, journal: '' };
     case 'refuse':
       return { type, text: '' };
     case 'block':
@@ -539,6 +494,8 @@ function ActionFields({ value, onChange }: { value: Action; onChange: (a: Action
           onChange={(e) => onChange({ ...value, queue: e.target.value })}
         />
       );
+    case 'journal':
+      return <JournalSelect value={value.journal} onChange={(journal) => onChange({ ...value, journal })} />;
     case 'refuse':
       return (
         <Textarea
@@ -710,10 +667,27 @@ export function RuleEditor({ initial, onClose, onSaved }: { initial: Rule; onClo
         <section className="space-y-2">
           <h3 className="text-sm font-semibold">{t('rules.then', 'Then')}</h3>
           {dlp ? (
-            <DlpAction
-              value={rule.actions[0] ?? { type: 'warn', notice: '' }}
-              onChange={(a) => patch({ actions: [a] })}
-            />
+            <div className="space-y-3">
+              <DlpAction
+                value={rule.actions.find((a) => a.type !== 'journal') ?? { type: 'warn', notice: '' }}
+                onChange={(a) => patch({ actions: [a, ...rule.actions.filter((x) => x.type === 'journal')] })}
+              />
+              <div className="flex flex-wrap items-center gap-2 text-sm">
+                <span className="text-muted-foreground">{t('rules.dlpJournal', 'Also journal it')}</span>
+                <JournalSelect
+                  allowNone
+                  value={rule.actions.find((a) => a.type === 'journal')?.journal ?? ''}
+                  onChange={(journal) =>
+                    patch({
+                      actions: [
+                        ...rule.actions.filter((a) => a.type !== 'journal'),
+                        ...(journal ? [{ type: 'journal' as const, journal }] : []),
+                      ],
+                    })
+                  }
+                />
+              </div>
+            </div>
           ) : (
             <div className="space-y-2">
               {rule.actions.map((action, i) => (
diff --git a/src/features/dlp/model.ts b/src/features/dlp/model.ts
index c26dc79..58e8c7c 100644
--- a/src/features/dlp/model.ts
+++ b/src/features/dlp/model.ts
@@ -50,6 +50,7 @@ export type Action =
   | { type: 'redirect'; addresses: string[] }
   | { type: 'refuse'; text: string }
   | { type: 'route'; queue: string }
+  | { type: 'journal'; journal: string }
   | { type: 'block'; notice: string }
   | { type: 'warn'; notice: string }
   | { type: 'hold'; notice: string; notifySender?: boolean };
@@ -297,6 +298,8 @@ export function describeAction(a: Action): string {
       return 'refuse it';
     case 'route':
       return `send it through the ${a.queue} queue`;
+    case 'journal':
+      return 'journal it';
     case 'block':
       return 'block it';
     case 'warn':
diff --git a/src/features/journal/JournalPage.tsx b/src/features/journal/JournalPage.tsx
new file mode 100644
index 0000000..cd202e1
--- /dev/null
+++ b/src/features/journal/JournalPage.tsx
@@ -0,0 +1,766 @@
+/*
+ * SPDX-FileCopyrightText: 2026 Coffey Labs
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+/**
+ * INBUXA: Management › Compliance › Journal (journaling spec, §3). Two
+ * tabs: Search (who may search: find, read and export what was journaled,
+ * each recorded) and Journals (what's journaled, where it goes and for how
+ * long, and the check of the chain).
+ */
+
+import { useCallback, useEffect, useState } from 'react';
+import { useTranslation } from 'react-i18next';
+import { AlertTriangle, Download, Eye, Loader2, Pencil, Plus, Search, ShieldCheck, Trash2 } from 'lucide-react';
+import { Badge } from '@/components/ui/badge';
+import { Button } from '@/components/ui/button';
+import { Checkbox } from '@/components/ui/checkbox';
+import { Input } from '@/components/ui/input';
+import { Switch } from '@/components/ui/switch';
+import { Textarea } from '@/components/ui/textarea';
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select';
+import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from '@/components/ui/dialog';
+import { PageHeader } from '@/components/common/PageHeader';
+import { LoadingFallback } from '@/components/common/LoadingFallback';
+import { useAccountStore } from '@/stores/accountStore';
+import { toast } from '@/hooks/use-toast';
+import { formatSize } from '@/features/hold/legalHold';
+import { IdPicker } from '@/features/dlp/IdPicker';
+import {
+  deleteJournal,
+  exportEntries,
+  fetchJournals,
+  fetchReport,
+  JournalUnavailable,
+  PAGE,
+  saveJournal,
+  searchEntries,
+  setJournalEnabled,
+  verifyJournal,
+  type ChainReport,
+} from './api';
+import {
+  describeJournal,
+  emptyFilter,
+  MAX_RETENTION_DAYS,
+  MIN_RETENTION_DAYS,
+  newJournal,
+  problem,
+  whoOf,
+  type EntryFilter,
+  type Journal,
+  type JournalDirection,
+  type JournalEntry,
+  type Who,
+} from './model';
+
+function when(iso: string | null | undefined): string {
+  return iso ? new Date(iso).toLocaleString() : '';
+}
+
+function message(e: unknown): string {
+  return e instanceof Error ? e.message : String(e);
+}
+
+// --- Search ---------------------------------------------------------------
+
+function ReadDialog({ entry, onClose }: { entry: JournalEntry; onClose: () => void }) {
+  const { t } = useTranslation();
+  const [text, setText] = useState<string | null>(null);
+  const [failed, setFailed] = useState<string | null>(null);
+  useEffect(() => {
+    fetchReport(entry.id)
+      .then(setText)
+      .catch((e: unknown) => setFailed(message(e)));
+  }, [entry.id]);
+  return (
+    <Dialog open onOpenChange={(open) => !open && onClose()}>
+      <DialogContent className="max-w-4xl">
+        <DialogHeader>
+          <DialogTitle>{entry.subject || t('journal.noSubject', '(no subject)')}</DialogTitle>
+          <DialogDescription>
+            {t(
+              'journal.readRecorded',
+              'The journal report: the envelope, then the message as it was sent. Reading it is recorded in the audit log.',
+            )}
+          </DialogDescription>
+        </DialogHeader>
+        {failed ? (
+          <p className="text-sm text-destructive">{failed}</p>
+        ) : text === null ? (
+          <LoadingFallback />
+        ) : (
+          <pre className="max-h-[65vh] overflow-auto whitespace-pre-wrap break-all rounded-md border bg-muted/40 p-3 text-xs">
+            {text}
+          </pre>
+        )}
+      </DialogContent>
+    </Dialog>
+  );
+}
+
+function ExportDialog({ filter, total, onClose }: { filter: EntryFilter; total: number; onClose: () => void }) {
+  const { t } = useTranslation();
+  const [reason, setReason] = useState('');
+  const [busy, setBusy] = useState(false);
+  const run = async () => {
+    setBusy(true);
+    try {
+      const { count, sha256 } = await exportEntries(filter, reason);
+      toast({
+        title: t('journal.exported', '{{count}} reports exported', { count }),
+        description: t('journal.exportedHash', 'SHA-256 {{sha256}}', { sha256 }),
+      });
+      onClose();
+    } catch (e) {
+      toast({ variant: 'destructive', title: t('journal.exportFailed', 'Not exported'), description: message(e) });
+    } finally {
+      setBusy(false);
+    }
+  };
+  return (
+    <Dialog open onOpenChange={(open) => !open && onClose()}>
+      <DialogContent>
+        <DialogHeader>
+          <DialogTitle>{t('journal.exportTitle', 'Export {{count}} reports', { count: total })}</DialogTitle>
+          <DialogDescription>
+            {t(
+              'journal.exportBody',
+              'A ZIP of the journal reports this search finds, with a manifest that lists each one’s SHA-256. The export and its reason are recorded in the audit log.',
+            )}
+          </DialogDescription>
+        </DialogHeader>
+        <label className="block space-y-1 text-sm">
+          <span className="text-muted-foreground">{t('journal.reason', 'Reason, for the audit log')}</span>
+          <Textarea value={reason} maxLength={500} onChange={(e) => setReason(e.target.value)} />
+        </label>
+        <DialogFooter>
+          <Button variant="ghost" onClick={onClose} disabled={busy}>
+            {t('journal.cancel', 'Cancel')}
+          </Button>
+          <Button onClick={() => void run()} disabled={busy || !reason.trim()}>
+            {busy ? <Loader2 className="mr-2 h-4 w-4 animate-spin" /> : <Download className="mr-2 h-4 w-4" />}
+            {t('journal.export', 'Export')}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}
+
+type Results = { entries: JournalEntry[]; total: number; filter: EntryFilter };
+
+function SearchTab({ journals }: { journals: Journal[] }) {
+  const { t } = useTranslation();
+  const canExport = useAccountStore((s) => s.hasPermission('sysJournalExport'));
+  const [filter, setFilter] = useState<EntryFilter>(emptyFilter());
+  const [results, setResults] = useState<Results | null>(null);
+  const [busy, setBusy] = useState(false);
+  const [reading, setReading] = useState<JournalEntry | null>(null);
+  const [exporting, setExporting] = useState(false);
+  const patch = (next: Partial<EntryFilter>) => setFilter((f) => ({ ...f, ...next }));
+  const journalName = (id: string) => journals.find((j) => j.id === id)?.name ?? id;
+
+  const run = async (from: EntryFilter, position: number) => {
+    setBusy(true);
+    try {
+      const page = await searchEntries(from, position);
+      setResults((current) => ({
+        entries: position === 0 || !current ? page.entries : [...current.entries, ...page.entries],
+        total: page.total,
+        filter: from,
+      }));
+    } catch (e) {
+      toast({
+        variant: 'destructive',
+        title: t('journal.searchFailed', 'The search didn’t run'),
+        description: message(e),
+      });
+    } finally {
+      setBusy(false);
+    }
+  };
+
+  return (
+    <div className="space-y-4">
+      <form
+        className="grid gap-3 rounded-xl border p-4 sm:grid-cols-2 lg:grid-cols-3"
+        onSubmit={(e) => {
+          e.preventDefault();
+          void run(filter, 0);
+        }}
+      >
+        <label className="space-y-1 text-sm">
+          <span className="text-muted-foreground">{t('journal.address', 'Sender or recipient')}</span>
+          <Input
+            value={filter.address}
+            placeholder="name@example.com"
+            onChange={(e) => patch({ address: e.target.value })}
+          />
+        </label>
+        <label className="space-y-1 text-sm">
+          <span className="text-muted-foreground">{t('journal.subjectWords', 'Words in the subject')}</span>
+          <Input value={filter.text} onChange={(e) => patch({ text: e.target.value })} />
+        </label>
+        <label className="space-y-1 text-sm">
+          <span className="text-muted-foreground">{t('journal.which', 'Which mail')}</span>
+          <Select value={filter.direction} onValueChange={(d) => patch({ direction: d as JournalDirection })}>
+            <SelectTrigger>
+              <SelectValue />
+            </SelectTrigger>
+            <SelectContent>
+              <SelectItem value="any">{t('journal.dirAny', 'All mail')}</SelectItem>
+              <SelectItem value="outgoing">{t('journal.dirOutgoing', 'Sent outside')}</SelectItem>
+              <SelectItem value="incoming">{t('journal.dirIncoming', 'Arriving from outside')}</SelectItem>
+              <SelectItem value="internal">{t('journal.dirInternal', 'Between people here')}</SelectItem>
+            </SelectContent>
+          </Select>
+        </label>
+        <label className="space-y-1 text-sm">
+          <span className="text-muted-foreground">{t('journal.from', 'From (date)')}</span>
+          <Input type="date" value={filter.from} onChange={(e) => patch({ from: e.target.value })} />
+        </label>
+        <label className="space-y-1 text-sm">
+          <span className="text-muted-foreground">{t('journal.to', 'To (date)')}</span>
+          <Input type="date" value={filter.to} onChange={(e) => patch({ to: e.target.value })} />
+        </label>
+        <label className="space-y-1 text-sm">
+          <span className="text-muted-foreground">{t('journal.inJournal', 'Journal')}</span>
+          <Select
+            value={filter.journalId || '__all__'}
+            onValueChange={(id) => patch({ journalId: id === '__all__' ? '' : id })}
+          >
+            <SelectTrigger>
+              <SelectValue />
+            </SelectTrigger>
+            <SelectContent>
+              <SelectItem value="__all__">{t('journal.anyJournal', 'Any journal')}</SelectItem>
+              {journals.map((j) => (
+                <SelectItem key={j.id} value={j.id ?? ''}>
+                  {j.name}
+                </SelectItem>
+              ))}
+            </SelectContent>
+          </Select>
+        </label>
+        <div className="flex flex-wrap items-center gap-2 sm:col-span-2 lg:col-span-3">
+          <Button type="submit" disabled={busy}>
+            {busy ? <Loader2 className="mr-2 h-4 w-4 animate-spin" /> : <Search className="mr-2 h-4 w-4" />}
+            {t('journal.search', 'Search')}
+          </Button>
+          <span className="text-xs text-muted-foreground">
+            {t('journal.searchRecorded', 'Each search is recorded in the audit log, with what was searched for.')}
+          </span>
+        </div>
+      </form>
+
+      {results && (
+        <div className="flex flex-wrap items-center justify-between gap-2">
+          <p className="text-sm text-muted-foreground">
+            {t('journal.found', '{{count}} found', { count: results.total })}
+          </p>
+          {canExport && results.total > 0 && (
+            <Button variant="outline" size="sm" onClick={() => setExporting(true)}>
+              <Download className="mr-2 h-4 w-4" />
+              {t('journal.exportAction', 'Export…')}
+            </Button>
+          )}
+        </div>
+      )}
+      {results && results.entries.length === 0 && (
+        <div className="rounded-lg border border-dashed p-12 text-center text-muted-foreground">
+          {t('journal.nothingFound', 'Nothing journaled matches.')}
+        </div>
+      )}
+      {results?.entries.map((entry) => (
+        <section key={entry.id} className="space-y-2 rounded-xl border p-4">
+          <div className="flex flex-wrap items-start justify-between gap-3">
+            <div className="min-w-0 space-y-1">
+              <p className="font-medium">{entry.subject || t('journal.noSubject', '(no subject)')}</p>
+              <p className="break-all text-sm text-muted-foreground">
+                {t('journal.fromTo', '{{sender}} to {{to}}', {
+                  sender: entry.sender || '<>',
+                  to: entry.recipients.join(', '),
+                })}
+              </p>
+              <p className="text-xs text-muted-foreground">
+                {when(entry.receivedAt)} · {formatSize(entry.size)} ·{' '}
+                {t('journal.keptUntil', 'kept until {{date}}', {
+                  date: new Date(entry.expiresAt).toLocaleDateString(),
+                })}
+              </p>
+            </div>
+            <Button variant="outline" size="sm" onClick={() => setReading(entry)}>
+              <Eye className="mr-2 h-4 w-4" />
+              {t('journal.read', 'Read…')}
+            </Button>
+          </div>
+          <div className="flex flex-wrap gap-2">
+            <Badge variant="outline">
+              {entry.direction === 'outgoing'
+                ? t('journal.dirOutgoing', 'Sent outside')
+                : entry.direction === 'incoming'
+                  ? t('journal.dirIncoming', 'Arriving from outside')
+                  : t('journal.dirInternal', 'Between people here')}
+            </Badge>
+            {entry.held && <Badge variant="secondary">{t('journal.heldBadge', 'Held for review')}</Badge>}
+            {entry.journalIds.map((id) => (
+              <Badge key={id} variant="secondary">
+                {journalName(id)}
+              </Badge>
+            ))}
+          </div>
+        </section>
+      ))}
+      {results && results.entries.length < results.total && (
+        <Button variant="outline" disabled={busy} onClick={() => void run(results.filter, results.entries.length)}>
+          {t('journal.more', 'Show {{count}} more', { count: Math.min(PAGE, results.total - results.entries.length) })}
+        </Button>
+      )}
+      {reading && <ReadDialog entry={reading} onClose={() => setReading(null)} />}
+      {exporting && results && (
+        <ExportDialog filter={results.filter} total={results.total} onClose={() => setExporting(false)} />
+      )}
+    </div>
+  );
+}
+
+// --- Journals -------------------------------------------------------------
+
+function JournalEditor({ initial, onClose, onSaved }: { initial: Journal; onClose: () => void; onSaved: () => void }) {
+  const { t } = useTranslation();
+  const [journal, setJournal] = useState<Journal>(initial);
+  const [reason, setReason] = useState('');
+  const [busy, setBusy] = useState(false);
+  const patch = (next: Partial<Journal>) => setJournal((j) => ({ ...j, ...next }));
+  const scope = journal.scope;
+  const setScope = (next: Partial<Journal['scope']>) => patch({ scope: { ...scope, ...next } });
+  const [who, setWho] = useState<Who>(whoOf(initial.scope));
+  const issue =
+    who === 'chosen' && whoOf(scope) !== 'chosen' ? t('journal.chooseSomeone', 'Choose who.') : problem(journal);
+
+  const chooseWho = (next: Who) => {
+    setWho(next);
+    if (next === 'everyone') setScope({ everyone: true, accounts: [], groups: [], domains: [], tenants: [] });
+    if (next === 'rules') setScope({ everyone: false, accounts: [], groups: [], domains: [], tenants: [] });
+    if (next === 'chosen') setScope({ everyone: false });
+  };
+
+  const save = async () => {
+    setBusy(true);
+    try {
+      await saveJournal(journal, reason);
+      toast({ title: t('journal.saved', 'Journal saved') });
+      onSaved();
+    } catch (e) {
+      toast({ variant: 'destructive', title: t('journal.notSaved', 'Not saved'), description: message(e) });
+    } finally {
+      setBusy(false);
+    }
+  };
+
+  const whoChoices: { value: Who; label: string; body: string }[] = [
+    {
+      value: 'everyone',
+      label: t('journal.whoEveryone', 'Everyone'),
+      body: t('journal.whoEveryoneBody', 'All mail this server handles, in the direction below.'),
+    },
+    {
+      value: 'chosen',
+      label: t('journal.whoChosen', 'Chosen people'),
+      body: t('journal.whoChosenBody', 'Mail to or from accounts, groups, domains or tenants you choose.'),
+    },
+    {
+      value: 'rules',
+      label: t('journal.whoRules', 'Only what rules send'),
+      body: t('journal.whoRulesBody', 'Mail a mail flow or DLP rule sends here with Journal it.'),
+    },
+  ];
+
+  return (
+    <Dialog open onOpenChange={(open) => !open && onClose()}>
+      <DialogContent className="max-h-[90vh] max-w-3xl overflow-y-auto">
+        <DialogHeader>
+          <DialogTitle>
+            {journal.id
+              ? t('journal.editTitle', 'Change “{{name}}”', { name: initial.name })
+              : t('journal.newTitle', 'New journal')}
+          </DialogTitle>
+          <DialogDescription>{describeJournal(journal)}</DialogDescription>
+        </DialogHeader>
+
+        <div className="grid gap-3 sm:grid-cols-[1fr_auto]">
+          <label className="space-y-1 text-sm">
+            <span className="text-muted-foreground">{t('journal.name', 'Name')}</span>
+            <Input value={journal.name} onChange={(e) => patch({ name: e.target.value })} />
+          </label>
+          <label className="flex items-end gap-2 pb-2 text-sm">
+            <Switch checked={journal.enabled} onCheckedChange={(enabled) => patch({ enabled })} />
+            {t('journal.on', 'On')}
+          </label>
+        </div>
+        <label className="block space-y-1 text-sm">
+          <span className="text-muted-foreground">{t('journal.description', 'Description (optional)')}</span>
+          <Textarea rows={2} value={journal.description} onChange={(e) => patch({ description: e.target.value })} />
+        </label>
+
+        <section className="space-y-2">
+          <h3 className="text-sm font-semibold">{t('journal.whose', 'Whose mail')}</h3>
+          <div className="grid gap-2 sm:grid-cols-3">
+            {whoChoices.map((choice) => (
+              <button
+                key={choice.value}
+                type="button"
+                onClick={() => chooseWho(choice.value)}
+                className={`rounded-md border p-3 text-left text-sm ${who === choice.value ? 'border-primary bg-primary/5' : ''}`}
+              >
+                <p className="font-medium">{choice.label}</p>
+                <p className="text-xs text-muted-foreground">{choice.body}</p>
+              </button>
+            ))}
+          </div>
+          {who === 'chosen' && (
+            <div className="space-y-2 rounded-md border p-3 text-sm">
+              <IdPicker
+                objectName="x:Account"
+                labelObject="x:Account"
+                ids={scope.accounts}
+                onChange={(accounts) => setScope({ accounts })}
+                placeholder={t('journal.addAccount', 'Add an account…')}
+              />
+              <IdPicker
+                objectName="x:Account/Group"
+                labelObject="x:Account"
+                ids={scope.groups}
+                onChange={(groups) => setScope({ groups })}
+                placeholder={t('journal.addGroup', 'Add a group…')}
+              />
+              <IdPicker
+                objectName="x:Domain"
+                labelObject="x:Domain"
+                ids={scope.domains}
+                onChange={(domains) => setScope({ domains })}
+                placeholder={t('journal.addDomain', 'Add a domain…')}
+              />
+              <IdPicker
+                objectName="x:Tenant"
+                labelObject="x:Tenant"
+                ids={scope.tenants}
+                onChange={(tenants) => setScope({ tenants })}
+                placeholder={t('journal.addTenant', 'Add a tenant…')}
+              />
+            </div>
+          )}
+          {who !== 'rules' && (
+            <label className="block space-y-1 text-sm">
+              <span className="text-muted-foreground">{t('journal.which', 'Which mail')}</span>
+              <Select value={journal.direction} onValueChange={(d) => patch({ direction: d as JournalDirection })}>
+                <SelectTrigger className="w-72">
+                  <SelectValue />
+                </SelectTrigger>
+                <SelectContent>
+                  <SelectItem value="any">{t('journal.dirAny', 'All mail')}</SelectItem>
+                  <SelectItem value="outgoing">{t('journal.dirOutgoing', 'Sent outside')}</SelectItem>
+                  <SelectItem value="incoming">{t('journal.dirIncoming', 'Arriving from outside')}</SelectItem>
+                  <SelectItem value="internal">{t('journal.dirInternal', 'Between people here')}</SelectItem>
+                </SelectContent>
+              </Select>
+            </label>
+          )}
+        </section>
+
+        <section className="space-y-2">
+          <h3 className="text-sm font-semibold">{t('journal.whereTitle', 'Where it goes')}</h3>
+          <label className="flex items-center gap-2 text-sm">
+            <Checkbox checked={journal.builtIn} onCheckedChange={(on) => patch({ builtIn: on === true })} />
+            {t('journal.builtIn', 'The built-in journal, searchable here')}
+          </label>
+          <label className="block space-y-1 text-sm">
+            <span className="text-muted-foreground">
+              {t('journal.archiveAddress', 'An outside archive’s journal address (optional)')}
+            </span>
+            <Input
+              className="w-96 max-w-full"
+              placeholder="journal@archive.example"
+              value={journal.archiveAddress ?? ''}
+              onChange={(e) => patch({ archiveAddress: e.target.value || null })}
+            />
+            <span className="block text-xs text-muted-foreground">
+              {t(
+                'journal.archiveHint',
+                'Each report is sent there as mail. One the archive doesn’t take is kept in the built-in journal instead, and shown here.',
+              )}
+            </span>
+          </label>
+        </section>
+
+        <label className="block space-y-1 text-sm">
+          <span className="text-muted-foreground">
+            {t('journal.retention', 'Keep entries for (days, {{min}} to {{max}})', {
+              min: MIN_RETENTION_DAYS,
+              max: MAX_RETENTION_DAYS,
+            })}
+          </span>
+          <Input
+            type="number"
+            className="w-32"
+            min={MIN_RETENTION_DAYS}
+            max={MAX_RETENTION_DAYS}
+            value={journal.retentionDays}
+            onChange={(e) => patch({ retentionDays: Number(e.target.value) })}
+          />
+          <span className="block text-xs text-muted-foreground">
+            {t(
+              'journal.retentionHint',
+              'Each entry keeps the time it was written with: changing this applies to new entries. Entries about someone under a legal hold stay while the hold does.',
+            )}
+          </span>
+        </label>
+
+        <label className="block space-y-1 text-sm">
+          <span className="text-muted-foreground">
+            {t('journal.changeReason', 'Reason, for the audit log (optional)')}
+          </span>
+          <Input value={reason} maxLength={500} onChange={(e) => setReason(e.target.value)} />
+        </label>
+        {issue && <p className="text-sm text-muted-foreground">{issue}</p>}
+        <DialogFooter>
+          <Button variant="ghost" onClick={onClose} disabled={busy}>
+            {t('journal.cancel', 'Cancel')}
+          </Button>
+          <Button onClick={() => void save()} disabled={busy || issue !== null}>
+            {busy ? <Loader2 className="mr-2 h-4 w-4 animate-spin" /> : <Plus className="mr-2 h-4 w-4" />}
+            {t('journal.save', 'Save')}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}
+
+function CheckResult({ chains, verified }: { chains: ChainReport[]; verified: boolean }) {
+  const { t } = useTranslation();
+  return (
+    <div className={`rounded-md border p-3 text-sm ${verified ? '' : 'border-destructive'}`}>
+      <p className="font-medium">
+        {verified
+          ? t('journal.checkOk', 'The journal checks out: nothing was changed or removed before its time.')
+          : t('journal.checkBroken', 'The journal doesn’t check out.')}
+      </p>
+      {chains.map((chain) => (
+        <p key={chain.node} className="text-xs text-muted-foreground">
+          {chain.brokenAt
+            ? t('journal.chainBroken', 'Node {{node}}: at {{at}}, {{reason}}', {
+                node: chain.node,
+                at: chain.brokenAt,
+                reason: chain.reason ?? '',
+              })
+            : t('journal.chainOk', 'Node {{node}}: {{entries}} entries, {{purged}} past their time and purged', {
+                node: chain.node,
+                entries: chain.entries,
+                purged: chain.purged,
+              })}
+        </p>
+      ))}
+    </div>
+  );
+}
+
+function JournalsTab({ journals, onChanged }: { journals: Journal[]; onChanged: () => void }) {
+  const { t } = useTranslation();
+  const canChange = useAccountStore((s) => s.hasPermission('sysJournalUpdate'));
+  const [editing, setEditing] = useState<Journal | null>(null);
+  const [confirming, setConfirming] = useState<string | null>(null);
+  const [checking, setChecking] = useState(false);
+  const [check, setCheck] = useState<{ verified: boolean; chains: ChainReport[] } | null>(null);
+
+  const act = async (work: () => Promise<void>) => {
+    try {
+      await work();
+      onChanged();
+    } catch (e) {
+      toast({ variant: 'destructive', title: t('journal.notSaved', 'Not saved'), description: message(e) });
+    }
+  };
+
+  const runCheck = async () => {
+    setChecking(true);
+    try {
+      setCheck(await verifyJournal());
+    } catch (e) {
+      toast({
+        variant: 'destructive',
+        title: t('journal.checkFailed', 'The check didn’t run'),
+        description: message(e),
+      });
+    } finally {
+      setChecking(false);
+    }
+  };
+
+  return (
+    <div className="space-y-4">
+      <div className="flex flex-wrap gap-2">
+        {canChange && (
+          <Button onClick={() => setEditing(newJournal())}>
+            <Plus className="mr-2 h-4 w-4" />
+            {t('journal.new', 'New journal…')}
+          </Button>
+        )}
+        <Button variant="outline" onClick={() => void runCheck()} disabled={checking}>
+          {checking ? <Loader2 className="mr-2 h-4 w-4 animate-spin" /> : <ShieldCheck className="mr-2 h-4 w-4" />}
+          {t('journal.check', 'Check the journal')}
+        </Button>
+      </div>
+      {check && <CheckResult {...check} />}
+      {journals.length === 0 && (
+        <div className="rounded-lg border border-dashed p-12 text-center text-muted-foreground">
+          {t('journal.none', 'No journals yet: nothing is journaled.')}
+        </div>
+      )}
+      {journals.map((journal) => (
+        <section key={journal.id} className={`space-y-2 rounded-xl border p-4 ${journal.enabled ? '' : 'opacity-60'}`}>
+          <div className="flex flex-wrap items-start justify-between gap-3">
+            <div className="min-w-0 space-y-1">
+              <p className="font-medium">{journal.name}</p>
+              <p className="text-sm">{describeJournal(journal)}</p>
+              {journal.description && <p className="text-xs text-muted-foreground">{journal.description}</p>}
+            </div>
+            <div className="flex items-center gap-2">
+              <Switch
+                checked={journal.enabled}
+                disabled={!canChange}
+                onCheckedChange={(on) => void act(() => setJournalEnabled(journal, on))}
+                aria-label={t('journal.on', 'On')}
+              />
+              {canChange && (
+                <>
+                  <Button variant="outline" size="sm" onClick={() => setEditing(journal)}>
+                    <Pencil className="mr-2 h-4 w-4" />
+                    {t('journal.edit', 'Change…')}
+                  </Button>
+                  {confirming === journal.id ? (
+                    <Button
+                      variant="destructive"
+                      size="sm"
+                      onClick={() => {
+                        setConfirming(null);
+                        if (journal.id) void act(() => deleteJournal(journal.id as string));
+                      }}
+                    >
+                      {t('journal.deleteConfirm', 'Delete it; its entries stay')}
+                    </Button>
+                  ) : (
+                    <Button
+                      variant="ghost"
+                      size="sm"
+                      onClick={() => setConfirming(journal.id ?? null)}
+                      aria-label={t('journal.delete', 'Delete')}
+                    >
+                      <Trash2 className="h-4 w-4" />
+                    </Button>
+                  )}
+                </>
+              )}
+            </div>
+          </div>
+          {(journal.archiveFailures?.count ?? 0) > 0 && (
+            <p className="flex items-start gap-2 rounded-md bg-amber-500/10 p-2 text-sm">
+              <AlertTriangle className="mt-0.5 h-4 w-4 shrink-0 text-amber-600" />
+              {t(
+                'journal.archiveFailed',
+                '{{count}} reports weren’t taken by {{address}}; the last {{when}}, because {{reason}}. They’re kept in the built-in journal.',
+                {
+                  count: journal.archiveFailures?.count ?? 0,
+                  address: journal.archiveAddress ?? '',
+                  when: when(journal.archiveFailures?.lastAt),
+                  reason: journal.archiveFailures?.lastReason ?? '',
+                },
+              )}
+            </p>
+          )}
+        </section>
+      ))}
+      {editing && (
+        <JournalEditor
+          initial={editing}
+          onClose={() => setEditing(null)}
+          onSaved={() => {
+            setEditing(null);
+            onChanged();
+          }}
+        />
+      )}
+    </div>
+  );
+}
+
+type Load = { kind: 'loading' } | { kind: 'ready'; journals: Journal[] } | { kind: 'error'; message: string };
+
+export function JournalPage() {
+  const { t } = useTranslation();
+  const canSearch = useAccountStore((s) => s.hasPermission('sysJournalSearch'));
+  const [load, setLoad] = useState<Load>({ kind: 'loading' });
+  const [fetches, setFetches] = useState(0);
+  const refetch = useCallback(() => setFetches((n) => n + 1), []);
+
+  useEffect(() => {
+    const controller = new AbortController();
+    fetchJournals(controller.signal)
+      .then((journals) => !controller.signal.aborted && setLoad({ kind: 'ready', journals }))
+      .catch((e: unknown) => {
+        if (controller.signal.aborted) return;
+        setLoad({
+          kind: 'error',
+          message:
+            e instanceof JournalUnavailable
+              ? t('journal.unavailable', 'This server doesn’t journal mail.')
+              : message(e),
+        });
+      });
+    return () => controller.abort();
+  }, [fetches, t]);
+
+  return (
+    <div className="mx-auto max-w-5xl space-y-5">
+      <PageHeader
+        icon="archive"
+        title={t('journal.title', 'Journal')}
+        subtitle={t(
+          'journal.subtitle',
+          'A copy of mail as it passes, with who it was really from and to (Bcc included), kept where nobody can change or remove it until its time.',
+        )}
+      />
+      {load.kind === 'loading' && <LoadingFallback />}
+      {load.kind === 'error' && (
+        <div className="rounded-lg border border-dashed p-12 text-center text-muted-foreground">{load.message}</div>
+      )}
+      {load.kind === 'ready' && (
+        <Tabs defaultValue={canSearch ? 'search' : 'journals'}>
+          <TabsList>
+            {canSearch && <TabsTrigger value="search">{t('journal.searchTab', 'Search')}</TabsTrigger>}
+            <TabsTrigger value="journals">{t('journal.journalsTab', 'Journals')}</TabsTrigger>
+          </TabsList>
+          {canSearch && (
+            <TabsContent value="search" className="pt-4">
+              <SearchTab journals={load.journals} />
+            </TabsContent>
+          )}
+          <TabsContent value="journals" className="pt-4">
+            <JournalsTab journals={load.journals} onChanged={refetch} />
+          </TabsContent>
+        </Tabs>
+      )}
+    </div>
+  );
+}
diff --git a/src/features/journal/JournalSelect.tsx b/src/features/journal/JournalSelect.tsx
new file mode 100644
index 0000000..ea7618d
--- /dev/null
+++ b/src/features/journal/JournalSelect.tsx
@@ -0,0 +1,64 @@
+/*
+ * SPDX-FileCopyrightText: 2026 Coffey Labs
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+/**
+ * INBUXA: choosing a journal, for a rule's Journal it action (journaling
+ * spec, JR-10).
+ */
+
+import { useEffect, useState } from 'react';
+import { useTranslation } from 'react-i18next';
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select';
+import { fetchJournals } from './api';
+import type { Journal } from './model';
+
+const NONE = '__none__';
+
+export function JournalSelect({
+  value,
+  onChange,
+  allowNone = false,
+}: {
+  value: string;
+  onChange: (id: string) => void;
+  allowNone?: boolean;
+}) {
+  const { t } = useTranslation();
+  const [journals, setJournals] = useState<Journal[] | null>(null);
+  const [failed, setFailed] = useState(false);
+
+  useEffect(() => {
+    const controller = new AbortController();
+    fetchJournals(controller.signal)
+      .then((list) => !controller.signal.aborted && setJournals(list))
+      .catch(() => !controller.signal.aborted && setFailed(true));
+    return () => controller.abort();
+  }, []);
+
+  if (failed) {
+    return (
+      <p className="text-sm text-muted-foreground">
+        {t('journal.selectUnavailable', 'Journals can’t be listed: seeing them needs the permission to see journals.')}
+      </p>
+    );
+  }
+  return (
+    <Select value={value || (allowNone ? NONE : '')} onValueChange={(id) => onChange(id === NONE ? '' : id)}>
+      <SelectTrigger className="w-72">
+        <SelectValue placeholder={t('journal.choose', 'Choose a journal…')} />
+      </SelectTrigger>
+      <SelectContent>
+        {allowNone && <SelectItem value={NONE}>{t('journal.noJournal', 'Don’t journal it')}</SelectItem>}
+        {(journals ?? []).map((journal) => (
+          <SelectItem key={journal.id} value={journal.id ?? ''}>
+            {journal.name}
+            {!journal.enabled && ` ${t('journal.offSuffix', '(off)')}`}
+          </SelectItem>
+        ))}
+      </SelectContent>
+    </Select>
+  );
+}
diff --git a/src/features/journal/api.ts b/src/features/journal/api.ts
new file mode 100644
index 0000000..7ef6e18
--- /dev/null
+++ b/src/features/journal/api.ts
@@ -0,0 +1,205 @@
+/*
+ * SPDX-FileCopyrightText: 2026 Coffey Labs
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+/**
+ * INBUXA: `inbuxa:Journal`, `inbuxa:JournalEntry`, `inbuxa:JournalExport`
+ * and `inbuxa:JournalVerification` over JMAP (journaling spec, JR-6,
+ * JR-9, JR-15, JR-16). Every search, read and export is recorded by the
+ * server before it answers.
+ */
+
+import { apiFetch } from '@/services/api';
+import { fetchSession, getAccountId, jmapRequest } from '@/services/jmap/client';
+import { toServerFilter, type EntryFilter, type Journal, type JournalEntry } from './model';
+
+const CAPABILITY = 'urn:inbuxa:jmap';
+
+/** The server has no journal (an older server). */
+export class JournalUnavailable extends Error {}
+
+function failure(name: string | undefined, result: unknown): Error {
+  const r = result as { type?: string; description?: string } | undefined;
+  if (r?.type === 'unknownMethod' || r?.type === 'unknownCapability') return new JournalUnavailable(r.type);
+  return new Error(r?.description ?? r?.type ?? `${name ?? 'Request'} failed`);
+}
+
+async function call(
+  method: string,
+  args: Record<string, unknown>,
+  signal?: AbortSignal,
+): Promise<Record<string, unknown>> {
+  const responses = await jmapRequest([[method, { accountId: getAccountId('x:Account'), ...args }, '0']], signal, [
+    CAPABILITY,
+  ]);
+  const [name, result] = responses[0] ?? [];
+  if (name !== method) throw failure(name, result);
+  return result as Record<string, unknown>;
+}
+
+function setFailure(result: Record<string, unknown>, bucket: string, key: string): Error | null {
+  const failed = (
+    result[bucket] as Record<string, { type?: string; description?: string; properties?: string[] }> | undefined
+  )?.[key];
+  if (!failed) return null;
+  const where = failed.properties?.length ? ` (${failed.properties.join(', ')})` : '';
+  return new Error(`${failed.description ?? failed.type ?? 'Not saved'}${where}`);
+}
+
+// --- Journals -------------------------------------------------------------
+
+export async function fetchJournals(signal?: AbortSignal): Promise<Journal[]> {
+  const result = await call('inbuxa:Journal/get', { ids: null }, signal);
+  return (result.list as Journal[] | undefined) ?? [];
+}
+
+function toServer(journal: Journal): Record<string, unknown> {
+  return {
+    name: journal.name.trim(),
+    description: journal.description,
+    enabled: journal.enabled,
+    direction: journal.direction,
+    scope: journal.scope,
+    retentionDays: journal.retentionDays,
+    builtIn: journal.builtIn,
+    archiveAddress: journal.archiveAddress?.trim() || null,
+  };
+}
+
+export async function saveJournal(journal: Journal, reason?: string): Promise<void> {
+  const args: Record<string, unknown> = reason?.trim() ? { reason: reason.trim() } : {};
+  if (journal.id) {
+    const result = await call('inbuxa:Journal/set', { ...args, update: { [journal.id]: toServer(journal) } });
+    const failed = setFailure(result, 'notUpdated', journal.id);
+    if (failed) throw failed;
+    return;
+  }
+  const result = await call('inbuxa:Journal/set', { ...args, create: { j: toServer(journal) } });
+  const failed = setFailure(result, 'notCreated', 'j');
+  if (failed) throw failed;
+}
+
+export async function setJournalEnabled(journal: Journal, enabled: boolean): Promise<void> {
+  if (!journal.id) return;
+  const result = await call('inbuxa:Journal/set', { update: { [journal.id]: { enabled } } });
+  const failed = setFailure(result, 'notUpdated', journal.id);
+  if (failed) throw failed;
+}
+
+export async function deleteJournal(id: string): Promise<void> {
+  const result = await call('inbuxa:Journal/set', { destroy: [id] });
+  const failed = setFailure(result, 'notDestroyed', id);
+  if (failed) throw failed;
+}
+
+// --- Entries --------------------------------------------------------------
+
+export const PAGE = 50;
+
+/** One page of matching entries, newest first, and how many match. */
+export async function searchEntries(
+  filter: EntryFilter,
+  position: number,
+  signal?: AbortSignal,
+): Promise<{ entries: JournalEntry[]; total: number }> {
+  const accountId = getAccountId('x:Account');
+  const responses = await jmapRequest(
+    [
+      [
+        'inbuxa:JournalEntry/query',
+        { accountId, filter: toServerFilter(filter), position, limit: PAGE, calculateTotal: true },
+        'q',
+      ],
+      [
+        'inbuxa:JournalEntry/get',
+        { accountId, '#ids': { resultOf: 'q', name: 'inbuxa:JournalEntry/query', path: '/ids' } },
+        'g',
+      ],
+    ],
+    signal,
+    [CAPABILITY],
+  );
+  const [queryName, query] = responses[0] ?? [];
+  if (queryName !== 'inbuxa:JournalEntry/query') throw failure(queryName, query);
+  const total = (query as { total?: number }).total ?? 0;
+  const [getName, get] = responses[1] ?? [];
+  if (getName !== 'inbuxa:JournalEntry/get') {
+    // No ids: the get has nothing to return
+    if ((query as { ids?: string[] }).ids?.length === 0) return { entries: [], total };
+    throw failure(getName, get);
+  }
+  return { entries: ((get as { list?: JournalEntry[] }).list ?? []) as JournalEntry[], total };
+}
+
+/** The whole journal report. Reading it is recorded. */
+export async function fetchReport(id: string): Promise<string> {
+  const result = await call('inbuxa:JournalEntry/get', { ids: [id], properties: ['report'] });
+  const report = (result.list as { report?: string | null }[] | undefined)?.[0]?.report;
+  if (typeof report !== 'string') throw new Error('The report couldn’t be read.');
+  return report;
+}
+
+function pathOf(url: string): string {
+  try {
+    const u = new URL(url, 'http://placeholder');
+    return u.pathname + u.search;
+  } catch {
+    return url;
+  }
+}
+
+function saveBlob(blob: Blob, fileName: string) {
+  const href = URL.createObjectURL(blob);
+  const a = document.createElement('a');
+  a.href = href;
+  a.download = fileName;
+  document.body.appendChild(a);
+  a.click();
+  a.remove();
+  setTimeout(() => URL.revokeObjectURL(href), 10_000);
+}
+
+/** Asks for a ZIP of the matching reports, and saves it. */
+export async function exportEntries(filter: EntryFilter, reason: string): Promise<{ count: number; sha256: string }> {
+  const accountId = getAccountId('x:Account');
+  const result = await call('inbuxa:JournalExport/set', {
+    create: { x: { filter: toServerFilter(filter), reason: reason.trim() } },
+  });
+  const failed = setFailure(result, 'notCreated', 'x');
+  if (failed) throw failed;
+  const created = (result.created as { x?: { blobId: string; count: number; sha256: string } } | undefined)?.x;
+  if (!created) throw new Error('Export failed');
+  const fileName = `journal-${new Date().toISOString().slice(0, 10)}.zip`;
+  const session = await fetchSession();
+  const template =
+    typeof session.downloadUrl === 'string'
+      ? session.downloadUrl
+      : '/jmap/download/{accountId}/{blobId}/{name}?accept={type}';
+  const url = template
+    .replace('{accountId}', encodeURIComponent(accountId))
+    .replace('{blobId}', encodeURIComponent(created.blobId))
+    .replace('{name}', encodeURIComponent(fileName))
+    .replace('{type}', encodeURIComponent('application/zip'));
+  const response = await apiFetch(pathOf(url));
+  if (!response.ok) throw new Error(`Download failed (${response.status})`);
+  saveBlob(await response.blob(), fileName);
+  return { count: created.count, sha256: created.sha256 };
+}
+
+export interface ChainReport {
+  node: number;
+  entries: number;
+  purged: number;
+  brokenAt?: string;
+  reason?: string;
+}
+
+/** Rechecks every chain and report. */
+export async function verifyJournal(): Promise<{ verified: boolean; chains: ChainReport[] }> {
+  const result = await call('inbuxa:JournalVerification/set', { create: { v: {} } });
+  const created = (result.created as { v?: { verified: boolean; chains: ChainReport[] } } | undefined)?.v;
+  if (!created) throw setFailure(result, 'notCreated', 'v') ?? new Error('The check didn’t run');
+  return created;
+}
diff --git a/src/features/journal/model.test.ts b/src/features/journal/model.test.ts
new file mode 100644
index 0000000..0b42165
--- /dev/null
+++ b/src/features/journal/model.test.ts
@@ -0,0 +1,64 @@
+/*
+ * SPDX-FileCopyrightText: 2026 Coffey Labs
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { describe, expect, it } from 'vitest';
+import { describeJournal, newJournal, problem, retentionText, toServerFilter, whoOf, emptyFilter } from './model';
+
+describe('journals in words', () => {
+  it('says whose mail, where it goes and for how long', () => {
+    expect(describeJournal(newJournal())).toBe(
+      'Journal all mail to and from everyone into the built-in journal, kept 7 years.',
+    );
+    const finance = {
+      ...newJournal(),
+      direction: 'outgoing' as const,
+      scope: { everyone: false, accounts: [], groups: ['b', 'c'], domains: [], tenants: ['d'] },
+      retentionDays: 90,
+      builtIn: false,
+      archiveAddress: 'journal@archive.example',
+    };
+    expect(describeJournal(finance)).toBe(
+      'Journal mail sent outside by people in 2 groups and 1 tenant to journal@archive.example, kept 90 days.',
+    );
+    const rules = { ...newJournal(), scope: { ...newJournal().scope, everyone: false } };
+    expect(whoOf(rules.scope)).toBe('rules');
+    expect(describeJournal(rules)).toContain('what mail flow and DLP rules send here');
+  });
+
+  it('counts years only when whole', () => {
+    expect(retentionText(365)).toBe('1 year');
+    expect(retentionText(3650)).toBe('10 years');
+    expect(retentionText(400)).toBe('400 days');
+  });
+
+  it('says what a journal still needs', () => {
+    expect(problem({ ...newJournal(), name: 'All' })).toBeNull();
+    expect(problem(newJournal())).toBe('Give the journal a name.');
+    expect(problem({ ...newJournal(), name: 'A', retentionDays: 29 })).toContain('between 30 and 3650');
+    expect(problem({ ...newJournal(), name: 'A', builtIn: false })).toContain('archive');
+    expect(problem({ ...newJournal(), name: 'A', archiveAddress: 'not an address' })).toContain('isn’t an email');
+  });
+});
+
+describe('search filters', () => {
+  it('sends only what was filled in, the end date whole', () => {
+    expect(toServerFilter(emptyFilter())).toEqual({});
+    expect(
+      toServerFilter({
+        ...emptyFilter(),
+        address: ' bob@ ',
+        direction: 'incoming',
+        from: '2026-09-01',
+        to: '2026-09-30',
+      }),
+    ).toEqual({
+      address: 'bob@',
+      direction: 'incoming',
+      after: '2026-09-01T00:00:00Z',
+      before: '2026-10-01T00:00:00Z',
+    });
+  });
+});
diff --git a/src/features/journal/model.ts b/src/features/journal/model.ts
new file mode 100644
index 0000000..f01ef03
--- /dev/null
+++ b/src/features/journal/model.ts
@@ -0,0 +1,176 @@
+/*
+ * SPDX-FileCopyrightText: 2026 Coffey Labs
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+/**
+ * INBUXA: journals and journal entries as the server sends them
+ * (journaling spec, JR-3, JR-9, JR-15), and each journal in words.
+ */
+
+export type JournalDirection = 'outgoing' | 'incoming' | 'internal' | 'any';
+
+export interface JournalScope {
+  everyone: boolean;
+  accounts: string[];
+  groups: string[];
+  domains: string[];
+  tenants: string[];
+}
+
+export interface ArchiveFailures {
+  count: number;
+  lastAt: string | null;
+  lastReason: string | null;
+}
+
+export interface Journal {
+  id?: string;
+  name: string;
+  description: string;
+  enabled: boolean;
+  direction: JournalDirection;
+  scope: JournalScope;
+  retentionDays: number;
+  builtIn: boolean;
+  archiveAddress: string | null;
+  archiveFailures?: ArchiveFailures;
+  createdBy?: string;
+  createdAt?: string;
+}
+
+export const MIN_RETENTION_DAYS = 30;
+export const MAX_RETENTION_DAYS = 3650;
+
+export function newJournal(): Journal {
+  return {
+    name: '',
+    description: '',
+    enabled: true,
+    direction: 'any',
+    scope: { everyone: true, accounts: [], groups: [], domains: [], tenants: [] },
+    retentionDays: 365 * 7,
+    builtIn: true,
+    archiveAddress: null,
+  };
+}
+
+/** Who a journal takes: everyone, chosen people, or only what rules send. */
+export type Who = 'everyone' | 'chosen' | 'rules';
+
+export function whoOf(scope: JournalScope): Who {
+  if (scope.everyone) return 'everyone';
+  const chosen = scope.accounts.length + scope.groups.length + scope.domains.length + scope.tenants.length;
+  return chosen > 0 ? 'chosen' : 'rules';
+}
+
+function plural(n: number, one: string, many: string): string {
+  return `${n} ${n === 1 ? one : many}`;
+}
+
+function list(items: string[]): string {
+  if (items.length <= 1) return items.join('');
+  return `${items.slice(0, -1).join(', ')} and ${items[items.length - 1]}`;
+}
+
+/** "7 years", "90 days". */
+export function retentionText(days: number): string {
+  if (days % 365 === 0) return plural(days / 365, 'year', 'years');
+  return plural(days, 'day', 'days');
+}
+
+/** "Journal mail sent outside by 2 groups into the built-in journal, kept 7 years." */
+export function describeJournal(journal: Journal): string {
+  const who = whoOf(journal.scope);
+  const chosen = list(
+    [
+      journal.scope.accounts.length && plural(journal.scope.accounts.length, 'account', 'accounts'),
+      journal.scope.groups.length && plural(journal.scope.groups.length, 'group', 'groups'),
+      journal.scope.domains.length && plural(journal.scope.domains.length, 'domain', 'domains'),
+      journal.scope.tenants.length && plural(journal.scope.tenants.length, 'tenant', 'tenants'),
+    ].filter((part): part is string => Boolean(part)),
+  );
+  const people = who === 'everyone' ? 'everyone' : `people in ${chosen}`;
+  const what =
+    who === 'rules'
+      ? 'what mail flow and DLP rules send here'
+      : journal.direction === 'outgoing'
+        ? `mail sent outside by ${people}`
+        : journal.direction === 'incoming'
+          ? `mail arriving from outside for ${people}`
+          : journal.direction === 'internal'
+            ? `mail ${people === 'everyone' ? 'between people here' : `from ${people} to people here`}`
+            : `all mail to and from ${people}`;
+  const archive = journal.archiveAddress?.trim();
+  const where =
+    journal.builtIn && archive
+      ? `into the built-in journal and to ${archive}`
+      : archive
+        ? `to ${archive}`
+        : 'into the built-in journal';
+  return `Journal ${what} ${where}, kept ${retentionText(journal.retentionDays)}.`;
+}
+
+/** What a journal needs before it can be saved; null when it's ready. */
+export function problem(journal: Journal): string | null {
+  if (!journal.name.trim()) return 'Give the journal a name.';
+  if (
+    !Number.isInteger(journal.retentionDays) ||
+    journal.retentionDays < MIN_RETENTION_DAYS ||
+    journal.retentionDays > MAX_RETENTION_DAYS
+  )
+    return `Keep entries between ${MIN_RETENTION_DAYS} and ${MAX_RETENTION_DAYS} days.`;
+  if (whoOf(journal.scope) === 'chosen' && journal.scope.everyone) return 'Choose everyone or chosen people.';
+  if (!journal.builtIn && !journal.archiveAddress?.trim())
+    return 'Keep entries in the built-in journal, send them to an archive, or both.';
+  if (journal.archiveAddress?.trim() && !/^[^\s@<>,;]+@[^\s@<>,;]+\.[^\s@<>,;]+$/.test(journal.archiveAddress.trim()))
+    return 'The archive address isn’t an email address.';
+  return null;
+}
+
+export interface JournalEntry {
+  id: string;
+  receivedAt: string;
+  direction: Exclude<JournalDirection, 'any'>;
+  sender: string;
+  authenticated: boolean;
+  recipients: string[];
+  subject: string;
+  messageId: string;
+  journalIds: string[];
+  held: boolean;
+  size: number;
+  sha256: string;
+  expiresAt: string;
+}
+
+/** A search of the journal. Dates are YYYY-MM-DD, whole days. */
+export interface EntryFilter {
+  text: string;
+  address: string;
+  direction: JournalDirection;
+  from: string;
+  to: string;
+  journalId: string;
+}
+
+export function emptyFilter(): EntryFilter {
+  return { text: '', address: '', direction: 'any', from: '', to: '', journalId: '' };
+}
+
+/** The filter as the server takes it; `to` includes that whole day. */
+export function toServerFilter(filter: EntryFilter): Record<string, string> {
+  const out: Record<string, string> = {};
+  if (filter.text.trim()) out.text = filter.text.trim();
+  if (filter.address.trim()) out.address = filter.address.trim();
+  if (filter.direction !== 'any') out.direction = filter.direction;
+  if (filter.from) out.after = `${filter.from}T00:00:00Z`;
+  if (filter.to) {
+    const next = new Date(`${filter.to}T00:00:00Z`);
+    next.setUTCDate(next.getUTCDate() + 1);
+    out.before = next.toISOString().replace(/\.\d{3}Z$/, 'Z');
+  }
+  if (filter.journalId) out.journalId = filter.journalId;
+  return out;
+}
diff --git a/src/i18n/en.json b/src/i18n/en.json
index 23e863b..e240e8b 100644
--- a/src/i18n/en.json
+++ b/src/i18n/en.json
@@ -970,7 +970,8 @@
     "noneFlow": "No mail flow rules yet.",
     "edit": "Change…",
     "deleteConfirm": "Delete it",
-    "delete": "Delete"
+    "delete": "Delete",
+    "dlpJournal": "Also journal it"
   },
   "dnsWizard": {
     "stepProvider": "Your DNS host",
@@ -1673,5 +1674,87 @@
     "passed": "Passed checks ({{count}})",
     "notCheckedCount": ", {{count}} not checked",
     "notChecked": "— not checked: {{why}}"
+  },
+  "journal": {
+    "noSubject": "(no subject)",
+    "readRecorded": "The journal report: the envelope, then the message as it was sent. Reading it is recorded in the audit log.",
+    "exported": "{{count}} reports exported",
+    "exportedHash": "SHA-256 {{sha256}}",
+    "exportFailed": "Not exported",
+    "exportTitle": "Export {{count}} reports",
+    "exportBody": "A ZIP of the journal reports this search finds, with a manifest that lists each one’s SHA-256. The export and its reason are recorded in the audit log.",
+    "reason": "Reason, for the audit log",
+    "cancel": "Cancel",
+    "export": "Export",
+    "searchFailed": "The search didn’t run",
+    "address": "Sender or recipient",
+    "subjectWords": "Words in the subject",
+    "which": "Which mail",
+    "dirAny": "All mail",
+    "dirOutgoing": "Sent outside",
+    "dirIncoming": "Arriving from outside",
+    "dirInternal": "Between people here",
+    "from": "From (date)",
+    "to": "To (date)",
+    "inJournal": "Journal",
+    "anyJournal": "Any journal",
+    "search": "Search",
+    "searchRecorded": "Each search is recorded in the audit log, with what was searched for.",
+    "found": "{{count}} found",
+    "exportAction": "Export…",
+    "nothingFound": "Nothing journaled matches.",
+    "fromTo": "{{sender}} to {{to}}",
+    "keptUntil": "kept until {{date}}",
+    "read": "Read…",
+    "heldBadge": "Held for review",
+    "more": "Show {{count}} more",
+    "chooseSomeone": "Choose who.",
+    "saved": "Journal saved",
+    "notSaved": "Not saved",
+    "whoEveryone": "Everyone",
+    "whoEveryoneBody": "All mail this server handles, in the direction below.",
+    "whoChosen": "Chosen people",
+    "whoChosenBody": "Mail to or from accounts, groups, domains or tenants you choose.",
+    "whoRules": "Only what rules send",
+    "whoRulesBody": "Mail a mail flow or DLP rule sends here with Journal it.",
+    "editTitle": "Change “{{name}}”",
+    "newTitle": "New journal",
+    "name": "Name",
+    "on": "On",
+    "description": "Description (optional)",
+    "whose": "Whose mail",
+    "addAccount": "Add an account…",
+    "addGroup": "Add a group…",
+    "addDomain": "Add a domain…",
+    "addTenant": "Add a tenant…",
+    "whereTitle": "Where it goes",
+    "builtIn": "The built-in journal, searchable here",
+    "archiveAddress": "An outside archive’s journal address (optional)",
+    "archiveHint": "Each report is sent there as mail. One the archive doesn’t take is kept in the built-in journal instead, and shown here.",
+    "retention": "Keep entries for (days, {{min}} to {{max}})",
+    "retentionHint": "Each entry keeps the time it was written with: changing this applies to new entries. Entries about someone under a legal hold stay while the hold does.",
+    "changeReason": "Reason, for the audit log (optional)",
+    "save": "Save",
+    "checkOk": "The journal checks out: nothing was changed or removed before its time.",
+    "checkBroken": "The journal doesn’t check out.",
+    "chainBroken": "Node {{node}}: at {{at}}, {{reason}}",
+    "chainOk": "Node {{node}}: {{entries}} entries, {{purged}} past their time and purged",
+    "checkFailed": "The check didn’t run",
+    "new": "New journal…",
+    "check": "Check the journal",
+    "none": "No journals yet: nothing is journaled.",
+    "edit": "Change…",
+    "deleteConfirm": "Delete it; its entries stay",
+    "delete": "Delete",
+    "archiveFailed": "{{count}} reports weren’t taken by {{address}}; the last {{when}}, because {{reason}}. They’re kept in the built-in journal.",
+    "unavailable": "This server doesn’t journal mail.",
+    "title": "Journal",
+    "subtitle": "A copy of mail as it passes, with who it was really from and to (Bcc included), kept where nobody can change or remove it until its time.",
+    "searchTab": "Search",
+    "journalsTab": "Journals",
+    "selectUnavailable": "Journals can’t be listed: seeing them needs the permission to see journals.",
+    "choose": "Choose a journal…",
+    "noJournal": "Don’t journal it",
+    "offSuffix": "(off)"
   }
 }
diff --git a/src/lib/layout.ts b/src/lib/layout.ts
index 40651f3..79c7734 100644
--- a/src/lib/layout.ts
+++ b/src/lib/layout.ts
@@ -95,6 +95,10 @@ function checkSpecialLink(
   if (viewName === 'CustomComponent/DlpRules') {
     return { visible: canGet ? canGet('sysDlpPolicy') : true, enterprise: false };
   }
+  // INBUXA: journaling (journaling spec, §3)
+  if (viewName === 'CustomComponent/Journal') {
+    return { visible: canGet ? canGet('sysJournal') : true, enterprise: false };
+  }
   if (viewName === 'CustomComponent/HeldMail') {
     return { visible: canGet ? canGet('sysDlpReview') : true, enterprise: false };
   }