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Dovecot Pigeonhole

Sieve mail filtering engine for Dovecot

Mail Servers ★ 98 stars Medium setup LGPL-2.1

Dovecot Pigeonhole is the Sieve and ManageSieve implementation that adds server-side mail filtering to a Dovecot installation. It lets users define filtering rules that run as messages are delivered.

Official siteSource code

Key features

  • Server-side Sieve filtering
  • ManageSieve protocol
  • Runs at delivery time
  • Dovecot integration

Strengths

  • Released under the LGPL-2.1 license
  • Written in C
  • Tiny footprint — runs in 64 MB RAM

Is Dovecot Pigeonhole secure?

No known vulnerabilities affect Dovecot Pigeonhole's latest release (2.4.5). OSV.dev lists 1 past advisory for the project; none of them applies to this release. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2019-11500, published 2019-08-29 (2603 days ago), fixed in 2.2.36.4, 2.3.7.2, 0.5.7.2

Source: OSV.dev, checked 2026-10-14. How this is measured.

Dovecot Pigeonhole replaces

Self-hosted Gmail filters alternatives

Health badge

Maintain Dovecot Pigeonhole? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 77 · good

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The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

Compare Dovecot Pigeonhole

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