Message transfer agent

Sendmail alternatives and similar software solutions

Based on the "Mail Transfer Agents" category

• Postal

  9.2 5.3 Sendmail VS Postal

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

• MailHog

  8.8 2.3 Sendmail VS MailHog

  Small Golang executable which runs an SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development.

• MailCatcher

  8.5 5.9 L5 Sendmail VS MailCatcher

  Ruby gem that deploys a simply SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development.

• Haraka

  8.3 7.0 L3 Sendmail VS Haraka

  A high-performance, pluginable SMTP server written in JavaScript.

• Maildrop

  5.5 0.0 Sendmail VS Maildrop

  Disposable email SMTP server, also useful for development.

• Exim

  5.3 9.5 L1 Sendmail VS Exim

  Message transfer agent

• OpenSMTPD

  4.4 9.2 L2 Sendmail VS OpenSMTPD

  Secure SMTP server implementation from the OpenBSD project.

• Slimta

  3.3 2.6 L5 Sendmail VS Slimta

  Mail Transfer Library built on Python.

• Courier MTA

  1.8 6.4 L1 Sendmail VS Courier MTA

  Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services.

• Qmail

  1.1 0.0 Sendmail VS Qmail

  Secure Sendmail replacement.

• Postfix

  - - Sendmail VS Postfix

  Fast, easy to administer, and secure Sendmail replacement.

• chasquid

  - - Sendmail VS chasquid

  SMTP

* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest. Visit our partner's website for more details.

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