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Best Zerospam Alternatives in 2026

Updated

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

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

Zerospam alternatives compared

#AppScoreFree planFromRuns on
1MailWasher7.1Free plan$4.16/moAndroid, iOS, Windows
2Rspamd6.9Free plan£100/moLinux, Mac, self-hosted
3Apache SpamAssassin6.7Free planFreeAPI, Linux, 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
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 Zerospam alternatives

What is the best alternative to Zerospam?

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

What is the best free alternative to Zerospam?

MailWasher is the best-ranked alternative with a free plan. 5 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.