Whereby
Whereby folds three months into one digest and still lists nothing specific
Comparison · Comms
Dovecot vs Stoat
A side-by-side editorial comparison of Dovecot and Stoat — release velocity, themes, recent moves, and the top alternatives to consider.
Dovecot vs Stoat: at a glance
What is Dovecot?
Dovecot's 2.4 branch is being hardened release by release after a breaking rewrite.
Dovecot is the IMAP and POP3 server behind a large share of the world's mailboxes. The 2.4 branch opened in January 2025 with a deliberately incompatible release — configuration files must be rewritten, the plugin section is gone, and several long-standing features were removed outright — and every release since has been consolidation on top of it. The pattern is consistent: each point release leads with critical CVE fixes, then lists incremental changes. The latest, 2.4.5, carries twelve CVEs alongside post-quantum ML-KEM support, full-text phrase searching and a throttling response code.
What is Stoat?
Stoat moves to release candidates and Gerrit, and gives server admins more control.
Stoat's 0.16.0 release candidates add server controls: invites with expiry and use limits, permission to block external emojis, and bot roles that grant permissions when a bot joins. The team is also piloting Gerrit as its main source control and will now ship release candidates and backports.
Dovecot vs Stoat: editorial side-by-side
Dovecot
2.5COMMS
Dovecot's 2.4 branch is being hardened release by release after a breaking rewrite.
◆ Current state
Dovecot is the IMAP and POP3 server behind a large share of the world's mailboxes. The 2.4 branch opened in January 2025 with a deliberately incompatible release — configuration files must be rewritten, the plugin section is gone, and several long-standing features were removed outright — and every release since has been consolidation on top of it. The pattern is consistent: each point release leads with critical CVE fixes, then lists incremental changes. The latest, 2.4.5, carries twelve CVEs alongside post-quantum ML-KEM support, full-text phrase searching and a throttling response code.
◆ Where it's heading
Two things are being worked at once. Security is the visible half, and the volume is striking — resource-exhaustion and parser issues in IMAP THREAD, LIST and ID, a CRIME-style compression side channel, an authentication bypass through XCLIENT forwarding. The quieter half is that fixes are increasingly gated behind version declarations: the THREAD fix needs a new index format enabled only by raising dovecot_storage_version. That mechanism, introduced with 2.4.0, is now doing real work, letting operators take format changes on their own schedule.
◆ Prediction
Experimental flags for mail UTF-8 and IMAP4rev2 have carried unchanged through every 2.4 release so far; the next branch-defining move is one of those graduating to default rather than another security round.
Stoat
5.0COMMS
Stoat moves to release candidates and Gerrit, and gives server admins more control.
◆ Current state
Stoat's 0.16.0 release candidates add server controls: invites with expiry and use limits, permission to block external emojis, and bot roles that grant permissions when a bot joins. The team is also piloting Gerrit as its main source control and will now ship release candidates and backports.
◆ Where it's heading
The feature list is about moderation and bot management for server owners, and rc.1 adds OpenTelemetry tracing for the file service. The process change toward RCs and backports suggests the team wants steadier releases for self-hosters.
◆ Prediction
A final 0.16.0 should follow the two RCs; the entries do not say when.
Alternatives to Dovecot and Stoat
Other Comms products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Dovecot or Stoat.
Rocket.Chat
Rocket.Chat's fifth 9.0 candidate is about load: notifications, presence and startup.
Element
Element 1.12.34 RC pops calls into picture-in-picture and lets modules shut off public rooms.
Synapse
Synapse 1.164 advertises Matrix v1.16 and v1.17 amid a run of dependency security patches
Subsplash
Subsplash gives church staff notes on every person and every Workflow card.
Maddy
maddy's latest release is a security fix, five months after its last feature work.
See all Dovecot alternatives → · See all Stoat alternatives →
Recent activity from Dovecot and Stoat
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 22d agoStoatStoat 0.16 RC1 adds OpenTelemetry tracing
- 22d agoStoatStoat 0.16 RC adds invite limits and bot roles
- 2mo agoDovecotTwelve CVEs fixed; ML-KEM and full-text phrase search arrive
- 5mo agoDovecotCVE fixes in variable expansion and CRAM-SHA authentication
- 6mo agoDovecotCVE fixes for base64 auth DoS and decode2text
- 1y agoDovecotAuth cache key collision fixed; libpcre2 becomes a dependency
- 1y agoDovecot2.4 branch signing key rotates; packages break 2.3 configs
- 1y agoDovecotDovecot 2.4 lands: configs must be rewritten, director removed ⚡
Frequently asked questions
What is the difference between Dovecot and Stoat?
They serve adjacent needs but don't currently overlap on shipped themes. Stoat is currently shipping more aggressively (velocity 5.0 vs 2.5), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Dovecot better than Stoat?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Stoat is currently shipping more aggressively (velocity 5.0 vs 2.5), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Comms products to evaluate alongside.
What are the best alternatives to Dovecot?
Top Dovecot alternatives in Comms are ranked by recent ship velocity. Browse the "Dovecot alternatives" section above for the current picks, or visit /alternatives/dovecot for the full list with editorial commentary on each.
What are the best alternatives to Stoat?
Top Stoat alternatives in Comms are ranked by recent ship velocity. Browse the "Stoat alternatives" section above for the current picks, or visit /alternatives/stoat for the full list with editorial commentary on each.