List of mail server software

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

Product statistics[edit]

All such figures are necessarily estimates because data about mail server share is difficult to obtain; there are few reliable primary sources—and no agreed methodologies for its collection.

Surveys probing Internet-exposed systems typically attempt to identify systems via their banner, or other identifying features;[1] and report Postfix and exim as overwhelming leaders in March 2021, with greater than 92% share between them.[1]

SMTP[edit]

POP/IMAP[edit]

Mail filtering[edit]

Mail server packages[edit]

See also[edit]

References[edit]

  1. ^ a b "E-Soft MX survey". securityspace.com. E-Soft Inc. 1 March 2021. Retrieved 23 March 2021.
  2. ^ "Proxmox Mail Gateway". Proxmox. Retrieved 2021-07-04.
  3. ^ "Information Protection". Proofpoint. Retrieved 2017-08-30.
  4. ^ https://iredmail.org/
  5. ^ https://modoboa.org/