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Comparison · Comms
Mailu vs VerneMQ
A side-by-side editorial comparison of Mailu and VerneMQ — release velocity, themes, recent moves, and the top alternatives to consider.
Mailu vs VerneMQ: at a glance
What is Mailu?
Mailu's October: patched PHP for webmail, and a resolver that reports DNS failures
Mailu's 2024.06 branch shipped six pinned releases in October, each tied to a single issue. Three dealt with the resolver: handling the DNSSEC KSK rollover, then making the healthcheck fail on SERVFAIL, re-shipped once. Three were webmail: Roundcube 1.6.20, mitigations for the PHP2Shell CVEs, and then the patched PHP runtime. Late September releases fixed boolean settings that could not be turned off and stale webmail sessions after switching accounts via SSO.
What is VerneMQ?
VerneMQ follows its year-in-the-making 2.2.0 with a quick round of subscription fixes.
VerneMQ releases infrequently; 2.2.0 on August 9 gathered about a year of cluster and connection work, including a socket-counting fix under rapid reconnects and faster inter-node readiness checks. 2.2.1 on October 16 followed with fixes for stale shared subscriptions after trie restarts, enforcement of non-zero message ids, and new webhook connect options.
Mailu vs VerneMQ: editorial side-by-side
Mailu
5.0COMMS
Mailu's October: patched PHP for webmail, and a resolver that reports DNS failures
◆ Current state
Mailu's 2024.06 branch shipped six pinned releases in October, each tied to a single issue. Three dealt with the resolver: handling the DNSSEC KSK rollover, then making the healthcheck fail on SERVFAIL, re-shipped once. Three were webmail: Roundcube 1.6.20, mitigations for the PHP2Shell CVEs, and then the patched PHP runtime. Late September releases fixed boolean settings that could not be turned off and stale webmail sessions after switching accounts via SSO.
◆ Where it's heading
The project remains in one-fix-per-release maintenance on the 2024.06 line, with upstream webmail and PHP security driving much of the cadence. Nothing in the entries points to a new main release.
◆ Prediction
The next releases will most likely follow upstream Roundcube or PHP security fixes, as three of the last six did.
VerneMQ
2.5COMMS
VerneMQ follows its year-in-the-making 2.2.0 with a quick round of subscription fixes.
◆ Current state
VerneMQ releases infrequently; 2.2.0 on August 9 gathered about a year of cluster and connection work, including a socket-counting fix under rapid reconnects and faster inter-node readiness checks. 2.2.1 on October 16 followed with fixes for stale shared subscriptions after trie restarts, enforcement of non-zero message ids, and new webhook connect options.
◆ Where it's heading
Two months between 2.2.0 and 2.2.1 is quick for this project, which suggests 2.2 is getting active maintenance. The work stays inside the broker: subscriptions, clustering and protocol correctness rather than new features.
◆ Prediction
Further 2.2.x patches are more likely than a new minor; the feed gives no sign of 2.3 work.
Alternatives to Mailu and VerneMQ
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 Mailu or VerneMQ.
Session
Session survived its funding scare; now Pro is on hold and Protocol v2 is the bet.
Misskey
Misskey moves to Sentry v11 and keeps shipping security fixes in its monthly releases.
Apprise
Apprise 2 is out: notify() returns a result object, and 2.1 takes the catalog to 170 services.
RSS.com
RSS.com's changelog is back after ten months, with listener voicemail for podcasts.
mailcow
mailcow's monthly releases are mostly upstream security updates with small UI work
See all Mailu alternatives → · See all VerneMQ alternatives →
Recent activity from Mailu and VerneMQ
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 10d agoMailuMailu ships patched PHP for PHP2Shell CVEs
- 11d agoMailuMailu mitigates PHP2Shell webmail CVEs
- 13d agoMailuMailu 2024.06.65: Roundcube 1.6.20 update
- 17d agoVerneMQVerneMQ 2.2.1
- 18d agoMailu2024.06.64 re-ships the resolver healthcheck fix
- 20d agoMailu2024.06.63 makes the resolver healthcheck catch SERVFAIL
- 21d agoMailu2024.06.62 handles the DNSSEC KSK rollover
- 2mo agoVerneMQSocket-count fix, WS(S) anonymous override, faster cluster readiness
- 6mo agoVerneMQTesting candidate later folded into 2.2.0
- 7mo agoVerneMQSUBACK error-path fix and routing-table memory reduction
- 1y agoVerneMQSyslog boot fix and an HTTPS config regression from 2.1.0
- 1y agoVerneMQBreaking on-disk metadata format change
Frequently asked questions
What is the difference between Mailu and VerneMQ?
They serve adjacent needs but don't currently overlap on shipped themes. Mailu 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 Mailu better than VerneMQ?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Mailu 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 Mailu?
Top Mailu alternatives in Comms are ranked by recent ship velocity. Browse the "Mailu alternatives" section above for the current picks, or visit /alternatives/mailu for the full list with editorial commentary on each.
What are the best alternatives to VerneMQ?
Top VerneMQ alternatives in Comms are ranked by recent ship velocity. Browse the "VerneMQ alternatives" section above for the current picks, or visit /alternatives/vernemq for the full list with editorial commentary on each.