diff --git a/src/components/bootstrap/BootstrapWizard.tsx b/src/components/bootstrap/BootstrapWizard.tsx
index 72cef8e..fdf9013 100644
--- a/src/components/bootstrap/BootstrapWizard.tsx
+++ b/src/components/bootstrap/BootstrapWizard.tsx
@@ -336,7 +336,7 @@ export function BootstrapWizard() {
     <WizardShell>
       <div className="space-y-6">
         <div>
-          <h2 className="text-2xl font-semibold tracking-tight">{t('bootstrap.welcome', 'Welcome to INBUXA')}</h2>
+          <h2 className="text-2xl font-semibold tracking-tight">{t('bootstrap.welcome', 'Welcome to inbuxa')}</h2>
           <p className="text-sm text-muted-foreground mt-1">
             {t('bootstrap.welcomeSubtitle', "Let's get your server set up.")}
           </p>
@@ -471,7 +471,7 @@ function SuccessScreen({
                   'bootstrap.credentialsCreated',
                   'Your administrator account has been created. Write these down now: the password will not be shown again.',
                 )
-              : t('bootstrap.configuredSuccessfully', 'INBUXA has been configured successfully.')}
+              : t('bootstrap.configuredSuccessfully', 'inbuxa has been configured successfully.')}
           </p>
         </div>
       </div>
@@ -503,7 +503,7 @@ function SuccessScreen({
           <span className="font-medium">{t('bootstrap.nextStepLabel', 'Next step:')}</span>{' '}
           {t(
             'bootstrap.nextStepBody',
-            'restart INBUXA for the new configuration to take effect. Once restarted, sign in with the credentials above to continue administering your server.',
+            'restart inbuxa for the new configuration to take effect. Once restarted, sign in with the credentials above to continue administering your server.',
           )}
         </p>
       </div>
diff --git a/src/components/common/Logo.tsx b/src/components/common/Logo.tsx
index e621728..8ab300d 100644
--- a/src/components/common/Logo.tsx
+++ b/src/components/common/Logo.tsx
@@ -20,7 +20,7 @@ export function DefaultLogo() {
     <svg
       xmlns="http://www.w3.org/2000/svg"
       viewBox="165 35 616 130"
-      aria-label={t('logo.inbuxaAlt', 'INBUXA')}
+      aria-label={t('logo.inbuxaAlt', 'inbuxa')}
       className="h-7 w-auto max-w-[320px]"
     >
       <image x="165.85" y="35.00" width="109.39" height="130.00" href={inbuxaMark} />
diff --git a/src/components/forms/OtpAuthField.tsx b/src/components/forms/OtpAuthField.tsx
index fd73a25..74cf3d4 100644
--- a/src/components/forms/OtpAuthField.tsx
+++ b/src/components/forms/OtpAuthField.tsx
@@ -38,7 +38,7 @@ function buildOtpAuthUrl(totp: OTPAuth.TOTP): string {
 
 function generateTotp(): { totp: OTPAuth.TOTP; url: string } {
   const totp = new OTPAuth.TOTP({
-    issuer: 'INBUXA',
+    issuer: 'inbuxa',
     label: 'account',
     algorithm: 'SHA1',
     digits: 6,
diff --git a/src/components/layout/TopBar.tsx b/src/components/layout/TopBar.tsx
index fc091c3..43a9527 100644
--- a/src/components/layout/TopBar.tsx
+++ b/src/components/layout/TopBar.tsx
@@ -104,7 +104,7 @@ export function TopBar() {
             </Link>
           </TooltipTrigger>
           <TooltipContent side="bottom">
-            {t('version.label', 'INBUXA Admin {{version}}', { version: __APP_VERSION__ })}
+            {t('version.label', 'inbuxa Admin {{version}}', { version: __APP_VERSION__ })}
           </TooltipContent>
         </Tooltip>
       </TooltipProvider>
diff --git a/src/features/hardening/LegacyProtocolsBanner.tsx b/src/features/hardening/LegacyProtocolsBanner.tsx
index f737611..eb9a7ae 100644
--- a/src/features/hardening/LegacyProtocolsBanner.tsx
+++ b/src/features/hardening/LegacyProtocolsBanner.tsx
@@ -62,10 +62,10 @@ export function LegacyProtocolsBanner() {
         {t('legacyProtocols.bannerLead', 'Legacy mail protocols are')}{' '}
         <strong>{t('legacyProtocols.bannerOff', 'off')}</strong>{' '}
         {off === 'server'
-          ? t('legacyProtocols.bannerTail', 'on this server. Only INBUXA webmail and JMAP apps can sign in.')
+          ? t('legacyProtocols.bannerTail', 'on this server. Only inbuxa webmail and JMAP apps can sign in.')
           : t(
               'legacyProtocols.bannerTailTenant',
-              'for your organization. Only INBUXA webmail and JMAP apps can sign in.',
+              'for your organization. Only inbuxa webmail and JMAP apps can sign in.',
             )}
       </span>
       {off === 'server' && (
diff --git a/src/features/hardening/LegacyProtocolsPage.tsx b/src/features/hardening/LegacyProtocolsPage.tsx
index 19b0cff..403650a 100644
--- a/src/features/hardening/LegacyProtocolsPage.tsx
+++ b/src/features/hardening/LegacyProtocolsPage.tsx
@@ -115,7 +115,7 @@ export function LegacyProtocolsPage() {
         <p className="text-muted-foreground">
           {t(
             'legacyProtocols.subtitle',
-            'Turn off IMAP, POP3, ManageSieve and sending from mail apps, so that only INBUXA webmail and JMAP apps can reach this server.',
+            'Turn off IMAP, POP3, ManageSieve and sending from mail apps, so that only inbuxa webmail and JMAP apps can reach this server.',
           )}
         </p>
       </header>
@@ -206,7 +206,7 @@ function StatusCard({
           </p>
           <p className="text-sm text-muted-foreground">
             {off
-              ? t('legacyProtocols.statusOffBody', 'Only INBUXA webmail and JMAP apps can sign in.')
+              ? t('legacyProtocols.statusOffBody', 'Only inbuxa webmail and JMAP apps can sign in.')
               : t('legacyProtocols.statusOnBody', 'Mail apps can use IMAP, POP3 and ManageSieve.')}
             {policy.changedAt !== null && (
               <>
@@ -276,7 +276,7 @@ function ProtocolTable({ rows, off }: { rows: ProtocolRow[]; off: boolean }) {
       <p className="border-t bg-muted/30 px-4 py-2 text-xs text-muted-foreground">
         {t(
           'legacyProtocols.lockNote',
-          'Incoming mail (SMTP) and INBUXA webmail (JMAP) are locked open: closing them would stop mail arriving and lock everyone out, including you.',
+          'Incoming mail (SMTP) and inbuxa webmail (JMAP) are locked open: closing them would stop mail arriving and lock everyone out, including you.',
         )}
       </p>
     </div>
diff --git a/src/features/hardening/TenantLegacyProtocols.tsx b/src/features/hardening/TenantLegacyProtocols.tsx
index c8d86bc..14f122c 100644
--- a/src/features/hardening/TenantLegacyProtocols.tsx
+++ b/src/features/hardening/TenantLegacyProtocols.tsx
@@ -102,7 +102,7 @@ export function TenantLegacyProtocols({ tenantId }: { tenantId: string }) {
               {off
                 ? t(
                     'legacyProtocols.tenantOff',
-                    'Off for {{organization}}. Only INBUXA webmail and JMAP apps can sign in to its domains.',
+                    'Off for {{organization}}. Only inbuxa webmail and JMAP apps can sign in to its domains.',
                     { organization: name },
                   )
                 : t(
diff --git a/src/features/hardening/parts.tsx b/src/features/hardening/parts.tsx
index cc11527..4a9d373 100644
--- a/src/features/hardening/parts.tsx
+++ b/src/features/hardening/parts.tsx
@@ -128,7 +128,7 @@ export function Statement({ scope }: { scope: StatementScope }) {
   return (
     <section className="space-y-3 rounded-xl border border-amber-500/40 bg-amber-500/5 p-5 text-sm leading-relaxed">
       <p className="text-base font-semibold">
-        {t('legacyProtocols.statementTitle', 'Only INBUXA webmail and JMAP apps will work.')}
+        {t('legacyProtocols.statementTitle', 'Only inbuxa webmail and JMAP apps will work.')}
       </p>
       <p>
         {scope.kind === 'server'
@@ -152,7 +152,7 @@ export function Statement({ scope }: { scope: StatementScope }) {
         <li>
           {t(
             'legacyProtocols.statementFilters',
-            'Filters managed from a mail app (ManageSieve) will stop working. Filters set in INBUXA webmail keep working.',
+            'Filters managed from a mail app (ManageSieve) will stop working. Filters set in inbuxa webmail keep working.',
           )}
         </li>
         <li>
@@ -164,7 +164,7 @@ export function Statement({ scope }: { scope: StatementScope }) {
         <li>
           {t(
             'legacyProtocols.statementWebmail',
-            'People keep full access through INBUXA webmail, which can be installed as an app on phones and computers.',
+            'People keep full access through inbuxa webmail, which can be installed as an app on phones and computers.',
           )}
         </li>
       </ul>
@@ -183,7 +183,7 @@ export function Statement({ scope }: { scope: StatementScope }) {
       <p>
         {t(
           'legacyProtocols.statementSubmission',
-          'Sending from mail apps (SMTP submission) will stop working, but its ports stay open: mail apps will be told they cannot sign in. Incoming mail (SMTP) and INBUXA webmail (JMAP) are not affected and cannot be turned off here.',
+          'Sending from mail apps (SMTP submission) will stop working, but its ports stay open: mail apps will be told they cannot sign in. Incoming mail (SMTP) and inbuxa webmail (JMAP) are not affected and cannot be turned off here.',
         )}
       </p>
       {scope.kind === 'server' && (
@@ -191,7 +191,7 @@ export function Statement({ scope }: { scope: StatementScope }) {
           <strong>{t('legacyProtocols.firewallLead', 'This does not change your firewall or port forwarding.')}</strong>{' '}
           {t(
             'legacyProtocols.firewallBody',
-            'INBUXA stops answering on these ports; anything that still routes them to this server — firewall rules, NAT port-forwards, a load balancer or proxy — is yours to reconcile.',
+            'inbuxa stops answering on these ports; anything that still routes them to this server — firewall rules, NAT port-forwards, a load balancer or proxy — is yours to reconcile.',
           )}
         </p>
       )}
diff --git a/src/features/hardening/protocolPolicy.ts b/src/features/hardening/protocolPolicy.ts
index c083b71..7363c0b 100644
--- a/src/features/hardening/protocolPolicy.ts
+++ b/src/features/hardening/protocolPolicy.ts
@@ -244,7 +244,7 @@ export function protocolRows(policy: ProtocolPolicy, listeners: PolicyListener[]
     },
     // Incoming mail and JMAP are never the switch's to close (LP-3, "Not affected, ever").
     { key: 'smtp', label: 'SMTP (incoming mail)', state: 'locked', ports: [] },
-    { key: 'jmap', label: 'JMAP (INBUXA webmail)', state: 'locked', ports: [] },
+    { key: 'jmap', label: 'JMAP (inbuxa webmail)', state: 'locked', ports: [] },
   ];
 }
 
diff --git a/src/help/texts.ts b/src/help/texts.ts
index 364a627..36674bf 100644
--- a/src/help/texts.ts
+++ b/src/help/texts.ts
@@ -104,7 +104,7 @@ export const PAGE_HELP: Record<string, PageHelp> = {
     about: 'Named sets of permissions. Give a role to a person to let them do more, or less.',
   },
   'x:OAuthClient': {
-    about: 'Apps allowed to sign people in through this server, like INBUXA webmail and INBUXA Admin.',
+    about: 'Apps allowed to sign people in through this server, like inbuxa webmail and inbuxa Admin.',
   },
   'x:DkimSignature': {
     about: 'The keys that sign outgoing mail so receivers can check it really came from you.',
diff --git a/src/hooks/useDocumentTitle.ts b/src/hooks/useDocumentTitle.ts
index 0fb397e..d5edf1c 100644
--- a/src/hooks/useDocumentTitle.ts
+++ b/src/hooks/useDocumentTitle.ts
@@ -9,7 +9,7 @@
 
 import { useEffect } from 'react';
 
-const APP_NAME = 'INBUXA Admin';
+const APP_NAME = 'inbuxa Admin';
 
 export function useDocumentTitle(title?: string | null) {
   useEffect(() => {
diff --git a/src/i18n/en.json b/src/i18n/en.json
index 2013e35..f0c63f8 100644
--- a/src/i18n/en.json
+++ b/src/i18n/en.json
@@ -15,7 +15,7 @@
   "bootstrap": {
     "clipboardBlocked": "Your browser blocked clipboard access.",
     "complete": "Setup complete",
-    "configuredSuccessfully": "INBUXA has been configured successfully.",
+    "configuredSuccessfully": "inbuxa has been configured successfully.",
     "copyFailed": "Copy failed",
     "credentialsCreated": "Your administrator account has been created. Write these down now: the password will not be shown again.",
     "emptyForm": "Setup form is empty. The server did not return any bootstrap fields.",
@@ -23,11 +23,11 @@
     "failedToLoad": "Failed to load bootstrap state.",
     "finishSetup": "Finish setup",
     "loadingSetup": "Loading setup...",
-    "nextStepBody": "restart INBUXA for the new configuration to take effect. Once restarted, sign in with the credentials above to continue administering your server.",
+    "nextStepBody": "restart inbuxa for the new configuration to take effect. Once restarted, sign in with the credentials above to continue administering your server.",
     "nextStepLabel": "Next step:",
     "noConfirm": "The server did not confirm the update.",
     "stepOf": "Step {{current}} of {{total}}",
-    "welcome": "Welcome to INBUXA",
+    "welcome": "Welcome to inbuxa",
     "welcomeSubtitle": "Let's get your server set up."
   },
   "common": {
@@ -295,11 +295,11 @@
   },
   "logo": {
     "alt": "Logo",
-    "inbuxaAlt": "INBUXA"
+    "inbuxaAlt": "inbuxa"
   },
   "logout": "Logout",
   "version": {
-    "label": "INBUXA Admin {{version}}"
+    "label": "inbuxa Admin {{version}}"
   },
   "nav": {
     "layoutLegacy": "Legacy",