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Comparison · Comms
Mailu vs Zoho Mail
A side-by-side editorial comparison of Mailu and Zoho Mail — release velocity, themes, recent moves, and the top alternatives to consider.
Mailu vs Zoho Mail: 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 Zoho Mail?
Zoho folds its transactional email product into the mailbox and hands out free credits
The feed mixes real product changes with governance thought-leadership, and this window has one of each: ZeptoMail, Zoho's transactional email service, is now presented as part of Zoho Mail and Workplace with starter credits, following Web Tabs pinning arbitrary websites inside the mail client. The rest is positioning — a phishing narrative used to walk through the rules engine, an admin console overview, and Microsoft's EWS retirement written up as a migration prompt. Email journaling remains the substantive enterprise capability in the set.
Mailu vs Zoho Mail: 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.
Zoho Mail
6.3COMMS
Zoho folds its transactional email product into the mailbox and hands out free credits
◆ Current state
The feed mixes real product changes with governance thought-leadership, and this window has one of each: ZeptoMail, Zoho's transactional email service, is now presented as part of Zoho Mail and Workplace with starter credits, following Web Tabs pinning arbitrary websites inside the mail client. The rest is positioning — a phishing narrative used to walk through the rules engine, an admin console overview, and Microsoft's EWS retirement written up as a migration prompt. Email journaling remains the substantive enterprise capability in the set.
◆ Where it's heading
Zoho keeps widening what the mailbox contains rather than improving mail itself. Web Tabs pulled other applications into the window; ZeptoMail pulls the machine-generated side of email — password resets, OTPs, order confirmations — under the same roof as human correspondence. The direction is a single console covering both what staff send and what applications send, with the enterprise controls (rules, journaling, admin reporting) as the procurement argument.
◆ Prediction
Expect the two mail paths to converge in tooling — shared domain and deliverability configuration, unified reporting across human and transactional sending. The free credits read as a conversion mechanism, though the entries say nothing about pricing once they run out.
Alternatives to Mailu and Zoho Mail
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 Zoho Mail.
Proton Bridge
Proton Bridge spends its first release in ten weeks on crashes, memory bounds and dead code
Stalwart
Stalwart is chasing mail RFCs and its own storage layer at the same time
Mux
Every manual control Mux ships now arrives with a Robots workflow that does it for you
Netcore Cloud
Netcore's feed remains a demand-generation channel; ten entries, zero product releases.
mailcow
mailcow's release notes are almost entirely upstream security currency.
See all Mailu alternatives → · See all Zoho Mail alternatives →
Recent activity from Mailu and Zoho Mail
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 6d agoZoho MailZeptoMail meets Zoho Mail and Workplace: One platform for your emails, with free credits to get started
- 6d agoMailuRoundcube 1.6.18 bump clears a TLS-config warning
- 14d agoZoho MailControl before consequence: Governing enterprise email with Zoho Mail rules
- 16d agoZoho MailMicrosoft retires EWS: What it means for Microsoft 365 to Zoho Mail migrations
- 21d agoZoho MailIntroducing Web Tabs in Zoho Mail: Keep the websites you need right where you work ⚡
- 23d agoZoho MailZoho Mail Admin Console: A complete overview
- 24d agoMailuAutoconfig fix for modern K-9 Mail
- 26d agoMailuRoundcube 1.6.17 closes two CVEs
- 1mo agoMailuSets X-Forwarded-By in response to a GHSA advisory
- 1mo agoZoho MailStay audit-ready with email journaling in Zoho Mail
- 1mo agoMailuAdmin UI keeps form values on failed submit
- 1mo agoMailuEscapes sieve fields, fixing autoreplies with special characters
Frequently asked questions
What is the difference between Mailu and Zoho Mail?
They serve adjacent needs but don't currently overlap on shipped themes. Zoho Mail is currently shipping more aggressively (velocity 6.3 vs 5.0), with 1 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 Zoho Mail?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Zoho Mail is currently shipping more aggressively (velocity 6.3 vs 5.0), with 1 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 Zoho Mail?
Top Zoho Mail alternatives in Comms are ranked by recent ship velocity. Browse the "Zoho Mail alternatives" section above for the current picks, or visit /alternatives/zoho-mail for the full list with editorial commentary on each.