Self Hosted Communication systems Email Mail Transfer Agents

14 Mail Transfer Agents software solutions and projects

• Postal

  9.2 8.0 Ruby

  ✉️ A fully featured open source mail delivery platform for incoming & outgoing e-mail
  

• MailHog

  9.1 0.0 Go

  Web and API based SMTP testing
  

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• MailCatcher

  8.5 7.5 L5 Ruby

  Catches mail and serves it through a dream.

• Haraka

  8.2 7.1 L3 JavaScript

  A fast, highly extensible, and event driven SMTP server
  

• Maildrop

  5.5 0.0 CSS

  Disposable email SMTP server, also useful for development.

• Exim

  5.3 9.4 L1 C

  Exim Mail Transport Agent - source, testsuite and documentation
  

• OpenSMTPD

  4.6 6.8 L2 C

  This is official OpenSMTPD Portable repository. Forks, pull requests and other contributions are welcome!
  

• Slimta

  3.2 0.0 L5 Python

  Python libraries to send, receive, and queue email.
  

• Courier MTA

  2.0 6.2 L1 C

  Courier Mail Server

• Lightmeter

  1.0 0.0

  Lightmeter uses GitLab, not GitHub -- find repos at: https://gitlab.com/lightmeter
  

• Qmail

  1.0 0.0

  Bind to different local ip addresses depending on the domain part of the sender argument when using `qmail-remote`.

• Sendmail

  -

  Message transfer agent

• chasquid

  -

  SMTP

• Postfix

  -

  Fast, easy to administer, and secure Sendmail replacement.

* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.

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Popular Comparisons

• OpenSMTPD
  vs
  Postfix
• Haraka
  vs
  Postfix
• MailCatcher
  vs
  MailHog
• Postal
  vs
  Postfix
• OpenSMTPD
  vs
  Exim

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