[0.12.0] - 2025-05-26
This version includes breaking changes to the database layout and requires a migration. Please read the UPGRADING.md file for more information on how to upgrade from previous versions.
Added
- Collaboration features including Calendars over CalDAV, Contacts over CardDAV and File Storage over WebDAV.
- Peer-to-peer cluster coordination or with Apache Kafka, Redpanda, NATS or Redis.
- Incremental caching of emails, calendars, contacts and file metadata.
- Zero-copy deserialization.
- Train spam messages as ham when the sender is in the user's address book.
XOAUTH2SASL mechanism support (#1194 #1369).- Support for RFC9698, the
JMAPACCESSExtension for IMAP. - Search index for accounts and other principals (#1368).
- Add
descriptionproperty to OIDC ID token (#1234).
Changed
- Deprecated gossip protocol in favor of the new coordinator options.
- Renamed Git repository from
stalwartlabs/mail-servertostalwartlabs/stalwartand the Docker image fromstalwartlabs/mail-servertostalwartlabs/stalwart. - Renamed multiple settings:
server.http.*tohttp.*.jmap.folders.*toemail.folders.*.jmap.account.purge.frequencytoaccount.purge.frequency.jmap.email.auto-expungetoemail.auto-expunge.jmap.protocol.changes.max-historytochanges.max-history.storage.encryption.*toemail.encryption.*.
- Deprecated
lookup.default.*settings in favor ofserver.hostnameandreport.domain. v0.11 and before supported both, v0.12 will only support the new settings.
Fixed
- Allow undiscovered UIDs to be used in IMAP
COPY/MOVEoperations (#1201). - Refuse loopback SMTP delivery (#1377).
- Hide the current server version (#1435).
- Use the newest
X-Spam-StatusHeader (#1308). - MySQL Driver error: Transactions couldn't be nested (#1271).
- Spawn a delivery thread for
EmailSubmission/setrequests (#1540). - ACME: Don't restrict challenge types (#1522).
- Autoconfig: return
%EMAILADDRESS%if no e-mail address is provided (#1537).