afew vs imapfilter

A side-by-side comparison of two self-hosted mail servers options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
Featureafewimapfilter
CategoryMail ServersMail Servers
LicenseISCMIT
LanguagePythonC
Setup difficultyMediumMedium
Min. RAM64 MB32 MB
Deploymentbinary, sourcebinary, source
GitHub stars★ 344★ 936
First released20112001
ReplacesGmail filtersGmail filters

Why pick each one

Choose afew if…

  • Released under the ISC license
  • Written in Python
  • Tiny footprint — runs in 64 MB RAM
afew details

Choose imapfilter if…

  • Released under the MIT license
  • Written in C
  • Tiny footprint — runs in 32 MB RAM
imapfilter details

Frequently asked questions

Is afew or imapfilter better?

Neither is universally better. imapfilter has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are afew and imapfilter free and open-source?

Yes. afew is licensed under ISC and imapfilter under MIT. Both can be self-hosted at no software cost.

Can I run afew and imapfilter with Docker?

afew: check the project docs for container support. imapfilter: check the project docs for container support.

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