What is the best alternative to Qmail?

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score 28 · Answer 1

Exim

Top Pro

Easy to use

Most Linux distributions that come with Exim, come with sane Exim default configurations. Changing default values and slightly adjusting configuration is relatively easy. On the other hand, building a completely new Exim configuration file from scratch might not. See More

Top Pro

Good documentation

Exim provides thorough documentation with great examples. See More

Top Pro

Highly flexible

Exim has by far the most flexible architecture of most commonly used mail transfer agents. As such it is a lot easier to break or do highly complex things. See More

Top Pro

Sendmail compatible

Exim is a drop-in replacement for Sendmail. See More

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score 26 · Answer 2

Postfix

Top Pro

Flexible and easy to administer

Postfix uses a monolithic, flexible, human-readable configuration file with sane defaults and since it's modular, each module can be used, ignored or switched with another depending on needs. See More

Top Con

No official version-controlled repository

See discussion at https://groups.google.com/forum/#!topic/mailing.postfix.users/6Kkel3J_nv4 and unofficial repo at https://github.com/vdukhovni/postfix See More

Top Pro

Security focused

Postfix was built ground up with security in mind. It is highly secure. As such it can at times be a bit less flexible than Exim. See More

Top Con

Pain in the neck to configure

Postfix is hard to configure: be prepared to spend some time configuring TLS and permissions, through trial and error. Postfix is an awesome MTA but if you are looking for a quick and functional setup, don't use it. See More

Top Pro

Good documentation

Postifx has a thorough documentation with examples. See More

Top Pro

Resource efficient and fast

Due to its modular design, Postfix can be configured to only use parts that are required in each use-case and as such conserves resources and operates fast. See More

Top Pro

Can run sendmail milters

Almost all Sendmail milters can be used with Postfix out of the box. See More

Top Pro

Active development

New releases are typically 2-3 months apart. See More

Top Pro

Sendmail compatible

Postfix is a drop-in replacement for Sendmail. It implements a compatibility interface with some options silently ignored. See More

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