SysAdmin Mail Servers

8.5

7.0

Mail-in-a-Box

7.5

6.6

MailCatcher

7.2

6.9

Haraka

4.7

9.9

Dovecot

4.6

0.0

Maildrop

4.4

9.4

Exim

15 Mail Servers tools and projects

Mail-in-a-Box

8.5 7.0 L3 Python

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.
MailCatcher

7.5 6.6 L5 Ruby

Catches mail and serves it through a dream.

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Haraka

7.2 6.9 L3 JavaScript

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

4.7 9.9 L3 C

Dovecot mail server
Maildrop

4.6 0.0 CSS

Open Source disposable email SMTP server, also useful for development.
Exim

4.4 9.4 L1 C

Exim Mail Transport Agent - source, testsuite and documentation
OpenSMTPD

3.9 6.1 L2 C

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

2.6 0.0 Shell

An archive of over 3000 unique SNMP MIBs
Qpopper

-

One of the oldest and most popular server implementations of POP3.
Postfix

-

Fast, easy to administer, and secure Sendmail replacement.
Qmail

-

Secure Sendmail replacement.
Sendmail

-

Message transfer agent (MTA).
Cyrus IMAP/POP3

-

Intended to be run on sealed servers, where normal users are not permitted to log in.
iRedMail

-

Full-featured mail server solution based on Postfix and Dovecot.
Courier IMAP/POP3

-

Fast, scalable, enterprise IMAP and POP3 server.

* 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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