Postmark
Postmark adds its own SOC 2 Type 2 report to a run of security work.
A side-by-side editorial comparison of Element X Android and mailcow — release velocity, themes, recent moves, and the top alternatives to consider.
Element X Android turns on multi-select forwarding and better search in v26.11.0.
Element X Android v26.11.0 enables multi-select forwarding by default, renders media captions and updated display names in the new timeline renderer, and keeps previous results visible while searching with the 3-month limit shown. It also fixes voice-message playback sync and a crash on logout. It follows v26.10.0's multi-account and global search launch.
mailcow's November release patches an admin RCE and reworks sync jobs.
mailcow ships named monthly releases with lettered revisions, mostly to pull in upstream security fixes for SOGo, Nginx, Redis, Unbound and Rspamd. The November release goes further: it fixes a remote code execution flaw reachable by admins and domain admins, adds mailbox groups, and reworks imapsync so sync jobs reference a separate source. It also caps request bodies at 64 MB, which breaks large SOGo and ActiveSync mail unless NGINX_MAX_BODY_SIZE is raised.
Element X Android v26.11.0 enables multi-select forwarding by default, renders media captions and updated display names in the new timeline renderer, and keeps previous results visible while searching with the 3-month limit shown. It also fixes voice-message playback sync and a crash on logout. It follows v26.10.0's multi-account and global search launch.
The app is moving its new timeline renderer toward default and polishing the October features: forwarding, search and multi-account. Releases arrive every one to three weeks.
Expect the new timeline renderer to become the default within the next one or two releases.
mailcow ships named monthly releases with lettered revisions, mostly to pull in upstream security fixes for SOGo, Nginx, Redis, Unbound and Rspamd. The November release goes further: it fixes a remote code execution flaw reachable by admins and domain admins, adds mailbox groups, and reworks imapsync so sync jobs reference a separate source. It also caps request bodies at 64 MB, which breaks large SOGo and ActiveSync mail unless NGINX_MAX_BODY_SIZE is raised.
The monthly security cadence holds, but recent releases carry more of mailcow's own features and API changes alongside the upstream bumps. Breaking changes now come with explicit migration steps, which suggests the API is being cleaned up for integrators.
Expect the promised RCE advisory details next week and a lettered revision within weeks to address fallout from the sync job API and body-size changes.
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 Element X Android or mailcow.
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See all Element X Android alternatives → · See all mailcow alternatives →
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
They serve adjacent needs but don't currently overlap on shipped themes. Element X Android and mailcow are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Element X Android and mailcow are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Comms products to evaluate alongside.
Top Element X Android alternatives in Comms are ranked by recent ship velocity. Browse the "Element X Android alternatives" section above for the current picks, or visit /alternatives/element-x-android for the full list with editorial commentary on each.
Top mailcow alternatives in Comms are ranked by recent ship velocity. Browse the "mailcow alternatives" section above for the current picks, or visit /alternatives/mailcow for the full list with editorial commentary on each.