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Best Apache SpamAssassin Alternatives in 2026

Updated

20 apps from email anti-spam software ranked against Apache SpamAssassin on the same published basis.

  1. 1
    MailWasher Free plan AndroidiOSWin $4.16/mo7.1
    Apache SpamAssassin vs MailWasher
  2. 2
    Rspamd Free plan LinuxMacself-hosted £100/mo6.9
    Apache SpamAssassin vs Rspamd
  3. 4
    JetEmail Free plan Web $29/mo6.7
    Apache SpamAssassin vs JetEmail
  4. 5
    Mailprotector Free plan apiWeb Free6.7
    Apache SpamAssassin vs Mailprotector
  5. 6
    MailChannels Inbound Filtering apiWeb 6.4
    Apache SpamAssassin vs MailChannels Inbound Filtering
  6. 7
    Mimecast Data Leak Prevention Web 6.4
    Apache SpamAssassin vs Mimecast Data Leak Prevention
  7. 8
    Cleanmail Free trial self-hostedWeb 6.3
    Apache SpamAssassin vs Cleanmail
  8. 9
    Forcepoint ZTNA Macself-hostedWebWin 6.3
    Apache SpamAssassin vs Forcepoint ZTNA
  9. 10
    Proxmox Backup Server LinuxWeb €46.67/mo6.3
    Apache SpamAssassin vs Proxmox Backup Server
  10. 11
    Retarus Transactional Email Free trial apiWeb 6.3
    Apache SpamAssassin vs Retarus Transactional Email
  11. 12
    Mailinblack Protect apiself-hostedWeb 6.2
    Apache SpamAssassin vs Mailinblack Protect
  12. 13
    MX Guarddog Free trial Web $0.25/mo6.2
    Apache SpamAssassin vs MX Guarddog
  13. 14
    Vade for Microsoft 365 Web 6.2
    Apache SpamAssassin vs Vade for Microsoft 365
  14. 15
    SpamHero Business Email Security Free trial apiWeb $5/mo6.0
    Apache SpamAssassin vs SpamHero Business Email Security
  15. 16
    Zerospam Free trial Web €5/mo6.0
    Apache SpamAssassin vs Zerospam
  16. 17
    Libraesva Email Security Free trial self-hostedWeb 5.9
    Apache SpamAssassin vs Libraesva Email Security
  17. 18
    SPAMfighter Win 5.9
    Apache SpamAssassin vs SPAMfighter
  18. 19
    SpamTitan Gateway Free trial self-hostedWeb 5.9
    Apache SpamAssassin vs SpamTitan Gateway
  19. 20
    Forcepoint Email Security Cloud Web 5.8
    Apache SpamAssassin vs Forcepoint Email Security Cloud
  20. 21
    Mimecast Secure Email Gateway Web 5.8
    Apache SpamAssassin vs Mimecast Secure Email Gateway

Apache SpamAssassin alternatives compared

#AppScoreFree planFromRuns on
1MailWasher7.1Free plan$4.16/moAndroid, iOS, Windows
2Rspamd6.9Free plan£100/moLinux, Mac, self-hosted
4JetEmail6.7Free plan$29/moWeb
5Mailprotector6.7Free planFreeAPI, Web
6MailChannels Inbound Filtering6.4No—API, Web
7Mimecast Data Leak Prevention6.4No—Web
8Cleanmail6.3No—self-hosted, Web
9Forcepoint ZTNA6.3No—Mac, self-hosted, Web, Windows
10Proxmox Backup Server6.3No€46.67/moLinux, Web
11Retarus Transactional Email6.3No—API, Web
12Mailinblack Protect6.2No—API, self-hosted, Web
13MX Guarddog6.2No$0.25/moWeb
14Vade for Microsoft 3656.2No—Web
15SpamHero Business Email Security6.0No$5/moAPI, Web
16Zerospam6.0No€5/moWeb
17Libraesva Email Security5.9No—self-hosted, Web
18SPAMfighter5.9No—Windows
19SpamTitan Gateway5.9No—self-hosted, Web
20Forcepoint Email Security Cloud5.8No—Web
21Mimecast Secure Email Gateway5.8No—Web
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Questions about Apache SpamAssassin alternatives

What is the best alternative to Apache SpamAssassin?

MailWasher, number 1 in email anti-spam software with a score of 7.1 out of 10. The others here: Rspamd, JetEmail, Mailprotector and 16 more.

What is the best free alternative to Apache SpamAssassin?

MailWasher is the best-ranked alternative with a free plan. 4 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.