Best Apache SpamAssassin Alternatives in 2026
Updated
20 tools from email anti-spam software ranked against Apache SpamAssassin on the same published basis.
- 1Apache SpamAssassin vs MailWasher
- 2Apache SpamAssassin vs Cleanmail
- 3Apache SpamAssassin vs Retarus Transactional Email
- 4Apache SpamAssassin vs JetEmail
- 5Apache SpamAssassin vs Forcepoint ZTNA
- 6Apache SpamAssassin vs Mailprotector
- 7Apache SpamAssassin vs MX Guarddog
- 9Apache SpamAssassin vs Mimecast Data Leak Prevention
- 10Apache SpamAssassin vs Proxmox Backup Server
- 11Apache SpamAssassin vs SpamHero Business Email Security
- 12Apache SpamAssassin vs Zerospam
- 13Apache SpamAssassin vs SpamTitan Gateway
- 14Apache SpamAssassin vs Libraesva Email Security
- 15Apache SpamAssassin vs Mailinblack Protect
- 16Apache SpamAssassin vs Vade for Microsoft 365
- 17Apache SpamAssassin vs MailChannels Inbound Filtering
- 18Apache SpamAssassin vs SPAMfighter
- 19Apache SpamAssassin vs Proxmox Mail Gateway
- 20Apache SpamAssassin vs Forcepoint Email Security Cloud
- 21Apache SpamAssassin vs Sophos Secure Message
Apache SpamAssassin alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | MailWasher | 7.7 | Free plan | $4.16/mo | Android, iOS, Windows |
| 2 | Cleanmail | 7.0 | No | — | self-hosted, Web |
| 3 | Retarus Transactional Email | 7.0 | No | — | API, Web |
| 4 | JetEmail | 6.9 | Free plan | $29/mo | Web |
| 5 | Forcepoint ZTNA | 6.8 | No | — | Mac, self-hosted, Web, Windows |
| 6 | Mailprotector | 6.8 | Free plan | Free | API, Web |
| 7 | MX Guarddog | 6.8 | No | $0.25/mo | Web |
| 9 | Mimecast Data Leak Prevention | 6.7 | No | — | Web |
| 10 | Proxmox Backup Server | 6.7 | No | €46.67/mo | Linux, Web |
| 11 | SpamHero Business Email Security | 6.7 | No | $5/mo | API, Web |
| 12 | Zerospam | 6.7 | No | €5/mo | Web |
| 13 | SpamTitan Gateway | 6.6 | No | — | self-hosted, Web |
| 14 | Libraesva Email Security | 6.5 | No | — | self-hosted, Web |
| 15 | Mailinblack Protect | 6.5 | No | — | API, self-hosted, Web |
| 16 | Vade for Microsoft 365 | 6.5 | No | — | Web |
| 17 | MailChannels Inbound Filtering | 6.4 | No | — | API, Web |
| 18 | SPAMfighter | 6.2 | No | — | Windows |
| 19 | Proxmox Mail Gateway | 6.1 | No | €15.83/mo | Linux, Web |
| 20 | Forcepoint Email Security Cloud | 6.0 | No | — | Web |
| 21 | Sophos Secure Message | 6.0 | No | — | — |
Make your tool an alternative to Apache SpamAssassin
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
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 7.7 out of 10. The others here: Cleanmail, Retarus Transactional Email, JetEmail and 16 more.
What is the best free alternative to Apache SpamAssassin?
MailWasher is the best-ranked alternative with a free plan. 3 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, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.