Maildrop alternatives and similar software solutions

Based on the "Mail Transfer Agents" category.
Alternatively, view Maildrop alternatives based on common mentions on social networks and blogs.

Postal

9.2 5.1 Maildrop VS Postal

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

9.1 0.0 Maildrop VS MailHog

Web and API based SMTP testing

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MailCatcher

8.1 5.2 L5 Maildrop VS MailCatcher

Catches mail and serves it through a dream.
Haraka

7.9 7.9 L3 Maildrop VS Haraka

A fast, highly extensible, and event driven SMTP server
Exim

5.2 9.6 L1 Maildrop VS Exim

Exim Mail Transport Agent - source, testsuite and documentation
OpenSMTPD

4.5 8.5 L2 Maildrop VS OpenSMTPD

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

2.9 2.8 L5 Maildrop VS Slimta

Python libraries to send, receive, and queue email.
Courier MTA

2.1 7.3 L1 Maildrop VS Courier MTA

Courier Mail Server
Lightmeter

1.0 0.0 Maildrop VS Lightmeter

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

1.0 0.0 Maildrop VS Qmail

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

- Maildrop VS Sendmail

Message transfer agent
chasquid

- Maildrop VS chasquid

SMTP
Postfix

- Maildrop VS Postfix

Fast, easy to administer, and secure Sendmail replacement.