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Sysadmin
What are the best Linux mail transfer agents (MTAs)?
6
Options
Considered
109
User
Recs.
Jan 4, 2024
Last
Updated
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5
Options
Considered
Best Linux mail transfer agents (MTAs)
Price
Last Updated
64
Exim
-
Jan 4, 2024
59
Postfix
-
Oct 4, 2023
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Sendmail
-
May 26, 2023
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Qmail
-
Aug 7, 2023
--
MailerQ
€10,000
Mar 30, 2023
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64
Exim
My Rec
ommendation
for
Exim
My Recommendation for
Exim
All
6
Pros
4
Cons
2
Top
Con
•••
Missing some features
Missing featues like: webmail, ActiveSync, WebAdmin.
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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.
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Top
Con
•••
No support for some protocols
No support for: POP3, IMAP, POP3s (POP3 over SSL).
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Top
Pro
•••
Good documentation
Exim provides thorough documentation with great examples.
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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.
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Top
Pro
•••
Sendmail compatible
Exim is a drop-in replacement for Sendmail.
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Get it
here
Recommend
30
6
59
Postfix
My Rec
ommendation
for
Postfix
My Recommendation for
Postfix
All
9
Pros
7
Cons
2
Top
Pro
•••
Can run sendmail milters
Almost all Sendmail milters can be used with Postfix out of the box.
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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
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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.
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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.
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Top
Pro
•••
Good documentation
Postifx has a thorough documentation with examples.
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Top
Pro
•••
Active development
New releases are typically 2-3 months apart.
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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.
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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.
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Top
Pro
•••
Sendmail compatible
Postfix is a drop-in replacement for Sendmail. It implements a compatibility interface with some options silently ignored.
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here
Recommend
24
5
--
Sendmail
My Rec
ommendation
for
Sendmail
My Recommendation for
Sendmail
All
3
Pros
3
Top
Pro
•••
Ability to use the "+" or "-" symbol in the local part of the email address.
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Top
Pro
•••
Ubiquitous
Due to inertia and historical reasons Sendmail is nearly Ubiquitous on all Unix platforms.
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Top
Pro
•••
Portability
Sendmail is the only major MTA that's fully ported to Windows.
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here
Recommend
8
4
--
Qmail
My Rec
ommendation
for
Qmail
My Recommendation for
Qmail
All
5
Pros
4
Cons
1
Top
Pro
•••
Excellent security
Qmail was built ground up with security in mind.
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Top
Con
•••
Unsupported
The original author of Qmail stopped maintaining it in 1998. It was released to public domain in November 2007.
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Top
Pro
•••
Fast
Qmail parallelizes mail delivery to increase speed.
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Top
Pro
•••
Easy to maintain
Configuration of Qmail is sane and straightforward.
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Top
Pro
•••
Sendmail compatible
Qmail is a drop-in replacement for Sendmail.
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here
Recommend
8
--
MailerQ
My Rec
ommendation
for
MailerQ
My Recommendation for
MailerQ
All
3
Experiences
1
Pros
2
Top
Pro
•••
Fast and reliable
Only MTA out there built on RabbitMQ, a message queeing broker, which means that no messages are stored on the disk, increasing the performance speed of your deliveries as well as reducing unnecessary hardware costs. Setting up in a cluster, both RabbitMQ and MTA will make sure that in case of a server fail, the messages are continued to be delivered and the other cluster picks up the slack.
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ToughChronos's Experience
Best high performance MTA currently on the market, hands down
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Top
Pro
•••
Scalable and highly controllable
This product is highly scalable and configurable to your exact requirements. With a friendly Management Console, you can adjust and set all the settings on the go as well as control and oversee your campaigns and clients. The MailerQ keeps building new features which means that customer needs and requirements are taken in consideration to add valuable and good features.
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€10,000
Recommend
17
5
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Halon
My Rec
ommendation
for
Halon
My Recommendation for
Halon
0
Recommend
2
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