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inbuxa:HoldExport/set takes a hold, optionally some of the accounts it
covers, and a reason; the collection runs in the background and get
says when it's ready. The ZIP has, per account, mail as .eml under its
folders, calendars as .ics, contacts as .vcf, files as stored, and the
archived items the hold keeps under archived/; a manifest.csv gives each
entry's account, kind, folder, date, whether it was archived, size and
SHA-256, and manifest.sha256 hashes the manifest. Accounts the hold
doesn't cover are left out, and items outside its date range are too:
live mail by arrival, events by start, and archived items the same way,
so an export doesn't carry deleted items that only another hold keeps.
The finished file is a blob of whoever started the export, so only they
download it, and it lasts as long as any upload (uploadTtl). Exports
are records under the hold (SUBSPACE_INBUXA H/e): never changed or
destroyed, each with its status, counts, size and checksum. Starting
one needs sysLegalHoldExport, an active hold and a reason, and is
recorded in the audit log like the audit log's own export.
The build is in memory and capped at 2 GB; bigger holds fail with a
message saying so, and are split by picking accounts.
Tested: unit tests for safe ZIP names and the manifest and its hash;
the legal_hold system test, on RocksDB, PostgreSQL and MySQL, exports a
hold end to end (live and archived mail, the manifest's hash, an asked-
for account the hold doesn't cover left out) and checks the refusals
(no reason, a user without the permission, a released hold) and the
audit record; and by hand from the console on a local server. Not
covered by a test: the archived-item date range with two holds of
different ranges over one account.
Everything clients, users and operators meet now carries the fork's name,
with no aliases (SPEC.md §2.4, changed here from "protocol identifiers
stay"):
- JMAP: upstream's registry capability is urn:inbuxa:jmap:registry, beside
the fork's own urn:inbuxa:jmap.
- WebDAV lock and sync tokens are urn:inbuxa:dav*; clients resync once.
- Sieve: vnd.inbuxa.while and vnd.inbuxa.expressions. sieve-rs spells these
into its compiler, so it's vendored (vendor/sieve-rs, 0.7.3) and patched in;
a unit test fails if Cargo.lock ever moves past the vendored copy. The
trusted runtime now names itself too, rather than answering sieve-rs's
default.
- The web interface's OAuth client is inbuxa-webui. On every start the old
stalwart-webui client is removed and any application naming it is moved
over.
- The spam filter's blobs are INBUXA_SPAM_*; every start moves any left
under the old keys, so a trained model survives.
- SQL stores and log files default to inbuxa, in the code and in the
schema served to the admin (checksum regenerated).
- Settings are INBUXA_* only. A STALWART_* variable that's set where its
INBUXA_* one isn't stops the server at startup, naming it.
- The version-upgrade messages link docs.inbuxa.org's migration page, and
the OpenAPI description, smtp crate metadata and web-push test fixtures
lose the name.
Kept on purpose, allowlisted with reasons: the OAuth key-derivation
contexts (renaming them would end every session and invalidate every
sealed client id) and the hashed application prefix.
Also fixes a latent start-up failure: ensure_client updated an existing
first-party client with a revision of 0, which the registry's assertion
never matches, so adding a redirect URI or changing the webmail secret
failed start-up. And the principal session test now expects
legacyProtocols (C-1, added 2026-09-21), which it had missed.
Tested: the server builds without warnings; common's 106 unit tests,
including the vendoring check; a new integration test for the two
start-up migrations; and the webdav, jmap, imap and SMTP Sieve suites.
Five conflicts, resolved:
- crates/common/src/auth/authentication.rs: upstream's get_directory_for_token
and JwtClaims replace extract_jwt_domain; the per-domain directory code
(DIR-1, DIR-5 to DIR-7) is kept, and the token lookup routes through it.
The release's one new Enterprise snippet was the body of
get_directory_for_issuer, which stays returning None: a token naming no
address gets the server default, as DIR-2 specifies and as v0.16.22 did.
- crates/common/src/manager/application.rs: upstream's rewrite of the tests,
with the temp directory names renamed again, and the 5(a) notice the
name-purge change should have added.
- crates/common/src/network/mta.rs: both sides' imports.
- crates/main/Cargo.toml: the AGPL-only license kept, version 0.16.23.
- Cargo.lock: upstream's, with the fork's crates added by Cargo.
The feature held the shared tests of features the fork hadn't rebuilt yet.
All nine are built and the last gate came off with per-domain directories,
so the feature was defined and documented but gated nothing.
The crate builds and holds the same tests without it: 113 by default, 118
with postgres, mysql and redis. SPEC §2.2b keeps its account of the first
import and now says when the gates came off, so a spec that still describes
a suite as gated reads as the record of its own date, which is what
monitoring.md's gate table already calls itself.
tests/src/system/masked_email.rs runs from system_tests and alone as
masked_email_tests. Fastmail's MaskedEmail/set updates from the stored
object, so the registry's revision check holds.
Upstream commit: 474dd0229cb20cf513036619781ed97bd8073c3f
Enterprise-only files removed or emptied: 63
Enterprise-only snippets removed: 117 in 50 files
Dangling module declarations removed: 5
Cargo edits turning enterprise off: 14
Verification: clean
Enterprise feature gates left for rebuilt features: 19 in 18 files
Produced by tools/fork/strip.py. The full report is in docs/fork/strip-reports/ on main.
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