stalwartlabs/stalwart v0.16.7

on GitHub

[0.16.7] - 2026-05-28

If you are upgrading from v0.16.x, replace the binary (or run docker pull). If you are upgrading from v0.15.x and below, please read the upgrading documentation for more information on how to upgrade from previous versions.

Added

• RateLimit header fields for HTTP (draft-ietf-httpapi-ratelimit-headers-10)
• MTA: Implement spamtest in trusted Sieve scripts.

Changed

Fixed

• Log rejected messages to tracing store.
• MTA:
  • Always update next DSN notify times.
  • Expand lists and resolve catch-all addresses when building autogenerated messages.
• Sharing: Includes resource that themselves carry a direct ACL grant and are leaves.
• Tasks cannot be deleted in OSS builds.
• Directory: Per-domain external directory resolution fails.
• DNS updater: Keep external TXT records when updating RRSet.
• HTTP: Reject requests from blocked IPs when Keep-Alive is enabled.

Check binary attestation here