List of mail server software

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

Product statistics[]

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[]

POP/IMAP[]

Mail filtering[]

Mail server packages[]

Mail-in-a-Box
iRedmail^[4]
Modoboa^[5]

References[]

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

[mxsurvey-1] "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] ttps://iredmail.org/

[5] ttps://modoboa.org/

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