List of mail servers

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This is a list of mail servers: mail transfer agents, mail delivery agents, and other computer software which provide e-mail services.

Contents

[edit] SMTP

[edit] POP/IMAP

[edit] Mail filtering

[edit] Comparison of mail servers

Mail server Server OS support Features Storage License
Linux/Unix Windows Mac OS X SMTP POP3 IMAP SMTP over TLS POP over TLS SSL Webmail Database Filesystem Other
Apache James Yes Yes Yes Yes Yes No Yes  ? No No Yes Yes No Open Source/ASLv2
Courier Mail Server Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Open Source
Exim Yes via Cygwin Yes Yes No No Yes No Yes No No Yes No Open Source
GroupWise Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes No No Proprietary
IBM Lotus Domino Yes Yes  ? Yes Yes Yes Yes Yes Yes Yes Yes No No Proprietary
Meldware Mail Server Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Open Source/LGPL
Kerio MailServer Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes No Proprietary
Merak Mail Server Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Proprietary
Microsoft Exchange No Yes No Yes Yes Yes Yes Yes Yes Yes ESE only No No Proprietary
NetMail Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes No No Proprietary
Postfix Yes No Yes Yes No No Yes No Yes No Yes Yes No Open Source/IBM Public License
Qmail Yes No Yes Yes Yes No No No No No No Yes No free-to-use
WinGate No Yes No Yes Yes Yes Yes Yes Yes Yes No Yes No Proprietary
WorkgroupMail No Yes No Yes Yes Yes No No Yes Yes Yes No No Proprietary
Zimbra Yes No Yes Yes Yes Yes Yes  ? Yes Ajax No Yes No Open Source/Proprietary
Mail server Login Authentication
SMTP AUTH POP before SMTP APOP Filesystem Database LDAP Other
Courier Mail Server Yes Yes Yes Yes Yes Yes  ?
Exim Yes  ? Yes Yes Yes Yes Cyrus SASL, CRAM-MD5, PLAIN, LOGIN, SPA
GroupWise Yes Yes Yes Yes Yes Yes eDirectory, Any LDAPv3-compliant source
NetMail Yes Yes Yes Yes Yes Yes eDirectory, LDAP
Apache James Yes  ?  ?  ? Yes Yes  ?
Meldware Mail Server Yes No Yes Yes Yes Yes  ?
Microsoft Exchange Yes  ? Yes No No Yes Active Directory
Kerio MailServer Yes Yes Yes Yes No Yes Active Directory, Apple Open Directory, ActiveSync, Pluggable Authentication Modules
Postfix Yes  ? Yes Yes Yes Yes  ?
Merak Mail Server Yes Yes Yes Yes Yes Yes NT Domain, Active Directory
WinGate Yes Yes Yes Yes Yes No NT Domain, Active Directory, CRAM-MD5, SASL PLAIN, SASL LOGIN
WorkgroupMail Yes No No No Yes Yes NT Domain, Active Directory
Zimbra Yes  ? Yes Yes Yes Yes  ?

[edit] External links

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