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Comparison · Comms
Mailu vs Salesmsg
A side-by-side editorial comparison of Mailu and Salesmsg — release velocity, themes, recent moves, and the top alternatives to consider.
Mailu vs Salesmsg: at a glance
What is Mailu?
Mailu ships one pinned release per issue, and most of them are Roundcube's.
The 2024.06 branch releases on demand: an issue or PR comes in, a pinned version goes out, and the changelog is one or two lines. Four of the six most recent releases are webmail-driven — three Roundcube bumps in this window alone, the latest to 1.6.18 clearing a TLS-configuration warning, an earlier one to 1.6.17 closing two CVEs. The remainder are Mailu's own code: an X-Forwarded-By header fix tied to a published advisory, sieve field escaping that repaired autoreplies and closed an injection path, and two admin-UI form flow corrections.
What is Salesmsg?
Salesmsg now runs the entire sales-to-NPS loop in one thread — outbound, AI reply, booking, survey, and routing.
Salesmsg has expanded well past SMS messaging into a full-stack sales communication platform. AI agents handle text and voice, execute actions (send SMS, log notes, tag callers, escalate with context), and now route contacts based on NPS scores. The recent addition of native surveys closes a loop that previously required a separate CX tool.
Mailu vs Salesmsg: editorial side-by-side
Mailu
5.0COMMS
Mailu ships one pinned release per issue, and most of them are Roundcube's.
◆ Current state
The 2024.06 branch releases on demand: an issue or PR comes in, a pinned version goes out, and the changelog is one or two lines. Four of the six most recent releases are webmail-driven — three Roundcube bumps in this window alone, the latest to 1.6.18 clearing a TLS-configuration warning, an earlier one to 1.6.17 closing two CVEs. The remainder are Mailu's own code: an X-Forwarded-By header fix tied to a published advisory, sieve field escaping that repaired autoreplies and closed an injection path, and two admin-UI form flow corrections.
◆ Where it's heading
This is a maintenance branch behaving exactly as a maintenance branch should, and the pinned-version model is the product: operators get upstream security work packaged and tagged without tracking Roundcube themselves. The security items divide cleanly — most arrive from bundled components, a minority from Mailu's own code, and the project patches both on the same cadence. Nothing in this window suggests new capability is being developed on this branch.
◆ Prediction
Expect the next release to follow the same trigger: a Roundcube advisory or a client compatibility report producing a single-line changelog and a new pinned tag. Any feature work would be happening on the main version, which this feed does not cover.
Salesmsg
6.3COMMS
Salesmsg now runs the entire sales-to-NPS loop in one thread — outbound, AI reply, booking, survey, and routing.
◆ Current state
Salesmsg has expanded well past SMS messaging into a full-stack sales communication platform. AI agents handle text and voice, execute actions (send SMS, log notes, tag callers, escalate with context), and now route contacts based on NPS scores. The recent addition of native surveys closes a loop that previously required a separate CX tool.
◆ Where it's heading
Every release reduces a manual touchpoint. AI agents now handle opt-outs, book meetings from warm replies, write handoff summaries, log post-call notes, and route contacts by survey score — all without rep intervention. The trajectory is toward a fully autonomous outreach-to-feedback cycle where humans review outcomes rather than manage steps.
◆ Prediction
The next move will likely be survey-score-triggered AI agent sequences — automatically enrolling detractors in win-back flows and promoters in referral asks based on NPS results. The routing logic already exists; wiring it to agent automation is the obvious completion.
Alternatives to Mailu and Salesmsg
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 Salesmsg.
Krisp
Krisp adds deepfake detection and expands Voice Translation as its Call Center AI platform deepens enterprise compliance tools.
Netcore Cloud
Netcore's recent entries are blog content, not product releases — the signal is a BFSI and ecommerce vertical sales push.
Canary Mail
Canary Mail ships AI chat history while sustaining a cross-platform bug fix cadence.
Superhuman
Superhuman is becoming the email layer for AI agents, not just the fastest email client.
Signal Desktop
Signal Desktop ships steady notification controls while holding firm on its minimalist philosophy.
See all Mailu alternatives → · See all Salesmsg alternatives →
Recent activity from Mailu and Salesmsg
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 4d agoSalesmsgSmarter routing, personalized links, AI opt-out handling
- 11d agoSalesmsgFull campaign lifecycle walkthrough (existing features)
- 18d agoSalesmsgGive Your Calling AI Agent More Ways to Act, Not Just Talk
- 25d agoSalesmsgEscalate Smarter, Notify Faster, and Track Every Handoff With Your AI Agents
- 1mo agoSalesmsgCollect and Act on Customer Feedback Right Inside Salesmsg with Surveys ⚡
- 1mo agoMailuRoundcube 1.6.18 bump clears a TLS-config warning
- 1mo agoSalesmsgPer-workflow credit tracking, simultaneous call handling, and AI agent stats
- 1mo agoMailuAutoconfig fix for modern K-9 Mail
- 1mo agoMailuRoundcube 1.6.17 closes two CVEs
- 1mo agoMailuSets X-Forwarded-By in response to a GHSA advisory
- 2mo agoMailuAdmin UI keeps form values on failed submit
- 2mo agoMailuEscapes sieve fields, fixing autoreplies with special characters
Frequently asked questions
What is the difference between Mailu and Salesmsg?
They serve adjacent needs but don't currently overlap on shipped themes. Salesmsg is currently shipping more aggressively (velocity 6.3 vs 5.0), 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 Salesmsg?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Salesmsg is currently shipping more aggressively (velocity 6.3 vs 5.0), 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 Salesmsg?
Top Salesmsg alternatives in Comms are ranked by recent ship velocity. Browse the "Salesmsg alternatives" section above for the current picks, or visit /alternatives/salesmsg for the full list with editorial commentary on each.