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Mail Server Software

Alternatives to Mail-in-a-Box

The tools Specifiction weighs against Mail-in-a-Box, from its list of mail server software, each with its plans, platforms and spec score.

  1. 01 Courier Mail Server
    Free plan Linux · Self-hosted
    8.5 Visit Specs
  2. 02 Axigen
    Free plan Web · Windows · macOS · Linux
    8.4 Visit Specs
  3. 03 mailcow
    From €8.90/mo Free plan Web · Linux · iOS · Android
    8.4 Visit Specs
  4. 04 Citadel
    Free plan Web · macOS · Linux · API
    8.3 Visit Specs
  5. 05 IceWarp
    From $1.35/mo Free trial Web · Windows · macOS · iOS
    8.3 Visit Specs
  6. 06 iRedMail
    From $0.83/mo Free trial Web · Linux · API · Self-hosted
    8.3 Visit Specs
  7. 07 MailEnable
    Free plan Web · Windows · iOS · Android
    8.3 Visit Specs
  8. 08 Apache James
    Free plan Windows · Linux · API · Self-hosted
    8.1 Visit Specs
  9. 09 Exim
    Free plan Windows · macOS · Linux · Self-hosted
    8.1 Visit Specs
  10. 10 hMailServer
    Free plan Windows · Linux · API · Self-hosted
    8.0 Visit Specs
  11. 11 Kolab
    Free plan Web · Windows · macOS · Linux
    8.0 Visit Specs
  12. 12 Modoboa
    From €11.61/mo Free plan Web · Linux · Self-hosted
    8.0 Visit Specs
  13. 13 poste.io
    From $29.08/mo Free plan Web · Linux · API · Self-hosted
    8.0 Visit Specs
  14. 14 SmarterMail
    From $41.67/mo Free plan Web · Windows · Linux · iOS
    8.0 Visit Specs
  15. 15 Stalwart Mail Server
    From $0.09/mo Free plan Web · Windows · macOS · Linux
    8.0 Visit Specs
  16. 16 Cyrus IMAP
    Free plan Linux · Self-hosted
    7.9 Visit Specs
  17. 17 Kerio Connect
    Free trial Web · Windows · macOS · Linux
    7.9 Visit Specs
  18. 18 Mailu
    Free plan Web · Linux · API · Self-hosted
    7.9 Visit Specs
  19. 19 CommuniGate Pro
    Web · Windows · Linux · API
    7.8 Visit Specs
  20. 20 Dovecot
    Free plan Linux · Self-hosted
    7.8 Visit Specs
  21. 21 qmail
    Free plan Linux · Self-hosted
    7.8 Visit Specs
  22. 22 Haraka
    Free plan Self-hosted
    7.7 Visit Specs
  23. 23 Microsoft Exchange Online
    From $0.33/mo Web · Windows · macOS · iOS
    7.7 Visit Specs
  24. 24 Maddy Mail Server
    Free plan Linux · Self-hosted
    7.6 Visit Specs
  25. 25 MDaemon Messaging Server
    Free trial Web · Windows · iOS · Android
    7.6 Visit Specs
  26. 26 HCL Domino
    Web · Windows · Linux · iOS
    7.5 Visit Specs
  27. 27 OpenSMTPD
    Free plan macOS · Linux · Self-hosted
    7.4 Visit Specs
  28. 28 Zimbra Collaboration
    Free trial Web · Windows · macOS · Linux
    7.3 Visit Specs
  29. 29 Postfix
    macOS · Linux · Self-hosted
    7.2 Visit Specs
  30. 30 Zentyal Server
    Linux
    6.4 Visit Specs

Mail-in-a-Box, head to head