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annotate docs/mta-comparison-external.txt @ 32:e150e6406019

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sections from external MTA comparisons
author meillo@marmaro.de
date Tue, 07 Oct 2008 14:45:43 +0200
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meillo@32 1 from ``Life with qmail''
meillo@32 2 ========================
meillo@32 3 (november 2007)
meillo@32 4 1.9. Comparison with other MTA's
meillo@32 5
meillo@32 6 A book could be written about this topic, but it would be tedious reading. Here's a quick comparison of qmail with some of the most common UNIX MTA's.
meillo@32 7
meillo@32 8 ┌────────┬────────┬────────┬────────┬───────────┬───────────┬───────┐
meillo@32 9 │MTA │Maturity│Security│Features│Performance│Sendmailish│Modular│
meillo@32 10 ├────────┼────────┼────────┼────────┼───────────┼───────────┼───────┤
meillo@32 11 │qmail │medium │high │high │high │addons │yes │
meillo@32 12 ├────────┼────────┼────────┼────────┼───────────┼───────────┼───────┤
meillo@32 13 │Sendmail│high │low │high │low │x │no │
meillo@32 14 ├────────┼────────┼────────┼────────┼───────────┼───────────┼───────┤
meillo@32 15 │Postfix │medium │high │high │high │yes │yes │
meillo@32 16 ├────────┼────────┼────────┼────────┼───────────┼───────────┼───────┤
meillo@32 17 │exim │medium │low │high │medium │yes │no │
meillo@32 18 ├────────┼────────┼────────┼────────┼───────────┼───────────┼───────┤
meillo@32 19 │Courier │low │medium │high │medium │optional │yes │
meillo@32 20 └────────┴────────┴────────┴────────┴───────────┴───────────┴───────┘
meillo@32 21
meillo@32 22 Sendmailish means the MTA behaves like Sendmail in some ways that would make a switch from Sendmail to the alternative MTA more user-transparent, such as the use of .forward files, /etc/aliases, and delivery to /var/spool/mail.
meillo@32 23
meillo@32 24 Jonathan de Boyne Pollard has reviews of many Unix MTAs at http://homepages.tesco.net/~J.deBoynePollard/Reviews/UnixMTSes/.
meillo@32 25 Another detailed comparison is available at http://www.geocities.com/mailsoftware42/.
meillo@32 26
meillo@32 27
meillo@32 28
meillo@32 29
meillo@32 30 from ``open source mail server comparison''
meillo@32 31 ===========================================
meillo@32 32 (november 2003)
meillo@32 33
meillo@32 34 This is a comparison between all the free open-source mail software solutions actually avalaible. I want to thanks all the sofware developers for developing such a great software for the open source community.
meillo@32 35
meillo@32 36 COURIER-MTA EXIM POSTFIX SENDMAIL QMAIL
meillo@32 37
meillo@32 38 Version: Courier-0.44.x Exim Version Postfix Version Sendmail qmail-1.03
meillo@32 39 4.2x 2.0 Patchlevel x 8.12.x
meillo@32 40
meillo@32 41 Managing Imap Exim: The Mail Postfix Sendmail The qmail
meillo@32 42 Transfer Agent Handbook
meillo@32 43
meillo@32 44 Licence: GPL GPL IBM Public ? Especial
meillo@32 45 License
meillo@32 46
meillo@32 47
meillo@32 48 Authenticated SMTP Login/CRAM-MD5 Login/Plain/ yes (using SASL) yes(using patch
meillo@32 49 CRAM-MD5 SASL)
meillo@32 50
meillo@32 51 SMTP over SSL/TLS yes ? ? ? patch
meillo@32 52
meillo@32 53 STARTTLS extension yes yes ? yes patch
meillo@32 54
meillo@32 55 POP before SMTP no ? Yes ? addon
meillo@32 56
meillo@32 57 Virtual Domains support yes yes yes yes yes
meillo@32 58
meillo@32 59 Supported Backends Ldap / MySQL / PostgreSQL Ldap / MySQL Ldap / MySQL Ldap Ldap patch/
meillo@32 60 MySQL patch
meillo@32 61
meillo@32 62 IPv6 support yes yes no (patch) yes patch
meillo@32 63
meillo@32 64 Included POP server yes (SSL support, Apop not no no no yes
meillo@32 65 included, SASL included)
meillo@32 66
meillo@32 67 Included IMAP server yes (SSL included) no no no no
meillo@32 68 Mailbox Format: Maildir /mbox/Maildir ++ Maildir/mbox/ Maildir/mbox mbox Maildir/mbox
meillo@32 69 mbx?
meillo@32 70
meillo@32 71 Quota support yes yes patch no patch /
meillo@32 72 addons
meillo@32 73
meillo@32 74 Mailing list manager couriermlm no ? ? ezmlm
meillo@32 75
meillo@32 76 Configurable
meillo@32 77 Deliver-Status-Notification yes yes no? ? no
meillo@32 78 (DSN)
meillo@32 79
meillo@32 80 Log analysing utilities no yes yes yes yes
meillo@32 81
meillo@32 82 Verbosity logging options: no yes yes ? yes
meillo@32 83
meillo@32 84 Web-based Administration yes no yes / no yes/no yes / no
meillo@32 85
meillo@32 86
meillo@32 87
meillo@32 88 SUBJECTIVE CHARACTERISTICS:
meillo@32 89
meillo@32 90 COURIER-MTA EXIM POSTFIX SENDMAIL QMAIL
meillo@32 91
meillo@32 92 Security: ? low-medium high low high / very high
meillo@32 93
meillo@32 94 Installation: medium medium easy - easy medium-difficult
meillo@32 95 medium
meillo@32 96
meillo@32 97 Configuration: medium easy-medium easy difficult easy
meillo@32 98
meillo@32 99 Performance: ? medium high low high
meillo@32 100
meillo@32 101 Maturity/status low low medium high medium
meillo@32 102 :
meillo@32 103
meillo@32 104 Documentation: low high medium-high high high (but sometimes confusing)
meillo@32 105
meillo@32 106 Features: high medium-high medium high low (There are many patches available for adding
meillo@32 107 Features)
meillo@32 108