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Comparison · Comms

Dovecot vs Subsplash

A side-by-side editorial comparison of Dovecot and Subsplash — release velocity, themes, recent moves, and the top alternatives to consider.

Dovecot vs Subsplash: at a glance

FeatureDovecotSubsplash
SectorCommsComms
Velocity score2.52.5
Sparks · 30d00
Top themesemail-infrastructure, imap, security-hardening, cve-responsechurch-platform, workflow-automation, people-management, giving-management
Last editorial update2mo ago2d ago
WebsiteVisit →—

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.

Read the full Dovecot trajectory →

What is Subsplash?

Subsplash gives church staff notes on every person and every Workflow card.

Subsplash runs giving, media, people and workflow tools for churches. Late September brought notes on People profiles and Workflow cards, board search and hide-completed checklists in Workflows, gift totals and recurring-gift status in Giving, and timestamped share links for media. October added multi-select actions on People.

Read the full Subsplash trajectory →

Dovecot vs Subsplash: editorial side-by-side

D
Dovecot
COMMS
2.5

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.

S2.5

Subsplash gives church staff notes on every person and every Workflow card.

◆ Current state

Subsplash runs giving, media, people and workflow tools for churches. Late September brought notes on People profiles and Workflow cards, board search and hide-completed checklists in Workflows, gift totals and recurring-gift status in Giving, and timestamped share links for media. October added multi-select actions on People.

◆ Where it's heading

The platform is filling in the record-keeping that church staff did in other tools: notes, handoffs, follow-ups and giving totals now live next to the person or card. Workflows keeps getting features for busy boards and team handoffs. The releases are practical and incremental rather than new product lines.

◆ Prediction

Expect Workflows and People to keep converging, for example notes or tasks shared between a person and their cards. The entries say nothing new about the AI features mentioned earlier in the year.

Alternatives to Dovecot and Subsplash

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 Subsplash.

See all Dovecot alternatives → · See all Subsplash alternatives →

Recent activity from Dovecot and Subsplash

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 5d agoSubsplashPeople Multi-Select
  2. 1mo agoSubsplashGift totals and recurring status in Giving
  3. 1mo agoSubsplashNotes on People
  4. 1mo agoSubsplashShare links that start a video at the current timestamp
  5. 1mo agoSubsplashCard search and cleaner checklists in Workflows
  6. 1mo agoSubsplashNotes on Workflow Cards
  7. 2mo agoDovecotTwelve CVEs fixed; ML-KEM and full-text phrase search arrive
  8. 5mo agoDovecotCVE fixes in variable expansion and CRAM-SHA authentication
  9. 6mo agoDovecotCVE fixes for base64 auth DoS and decode2text
  10. 1y agoDovecotAuth cache key collision fixed; libpcre2 becomes a dependency
  11. 1y agoDovecot2.4 branch signing key rotates; packages break 2.3 configs
  12. 1y agoDovecotDovecot 2.4 lands: configs must be rewritten, director removed ⚡

Frequently asked questions

What is the difference between Dovecot and Subsplash?

They serve adjacent needs but don't currently overlap on shipped themes. Dovecot and Subsplash are shipping at a similar cadence (velocity 2.5 vs 2.5, 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.

Is Dovecot better than Subsplash?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Dovecot and Subsplash are shipping at a similar cadence (velocity 2.5 vs 2.5, both within Sparkpulse's "active" band). 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 Subsplash?

Top Subsplash alternatives in Comms are ranked by recent ship velocity. Browse the "Subsplash alternatives" section above for the current picks, or visit /alternatives/subsplash for the full list with editorial commentary on each.