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fdm

Fetch and filter mail with a single configuration

Mail Servers ★ 285 stars Medium setup ISC

fdm is a program that fetches mail from POP3 and IMAP servers and filters it into local mailboxes based on user-defined rules. It combines retrieval and delivery in one lightweight tool.

Official siteSource code

Key features

  • Fetches POP3 and IMAP mail
  • Rule-based filtering
  • Combined fetch and deliver
  • Lightweight

Strengths

  • Released under the ISC license
  • Written in C
  • Tiny footprint — runs in 32 MB RAM

Is fdm secure?

OSV.dev has no published security advisories for fdm's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

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

fdm replaces

Self-hosted fetchmail alternativesSelf-hosted procmail alternatives

Health badge

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

SelfHostIndex: 8 · at risk

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<a href="https://selfhostindex.com/app/fdm-mail/"><img src="https://selfhostindex.com/badge/fdm-mail.svg" alt="SelfHostIndex health score for fdm"></a>
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   :alt: SelfHostIndex health score for fdm
   :target: https://selfhostindex.com/app/fdm-mail/

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

Compare fdm

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