Best MX Guarddog Alternatives in 2026
Updated
20 tools from email anti-spam software ranked against MX Guarddog on the same published basis.
- 1MX Guarddog vs MailWasher
- 2MX Guarddog vs Cleanmail
- 3MX Guarddog vs Retarus Transactional Email
- 4MX Guarddog vs JetEmail
- 5MX Guarddog vs Forcepoint ZTNA
- 6MX Guarddog vs Mailprotector
- 8MX Guarddog vs Mimecast Data Leak Prevention
- 9MX Guarddog vs Proxmox Backup Server
- 10MX Guarddog vs SpamHero Business Email Security
- 11MX Guarddog vs Zerospam
- 12MX Guarddog vs SpamTitan Gateway
- 13MX Guarddog vs Libraesva Email Security
- 14MX Guarddog vs Mailinblack Protect
- 15MX Guarddog vs Vade for Microsoft 365
- 16MX Guarddog vs SPAMfighter
- 17MX Guarddog vs Proxmox Mail Gateway
- 18MX Guarddog vs Forcepoint Email Security Cloud
- 19MX Guarddog vs Sophos Secure Message
- 20MX Guarddog vs MailChannels Inbound Filtering
- 21MX Guarddog vs NoSpamProxy
MX Guarddog 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 |
| 8 | Mimecast Data Leak Prevention | 6.7 | No | — | Web |
| 9 | Proxmox Backup Server | 6.7 | No | €46.67/mo | Linux, Web |
| 10 | SpamHero Business Email Security | 6.7 | No | $5/mo | API, Web |
| 11 | Zerospam | 6.7 | No | €5/mo | Web |
| 12 | SpamTitan Gateway | 6.6 | No | — | self-hosted, Web |
| 13 | Libraesva Email Security | 6.5 | No | — | self-hosted, Web |
| 14 | Mailinblack Protect | 6.5 | No | — | API, self-hosted, Web |
| 15 | Vade for Microsoft 365 | 6.5 | No | — | Web |
| 16 | SPAMfighter | 6.2 | No | — | Windows |
| 17 | Proxmox Mail Gateway | 6.1 | No | €15.83/mo | Linux, Web |
| 18 | Forcepoint Email Security Cloud | 6.0 | No | — | Web |
| 19 | Sophos Secure Message | 6.0 | No | — | — |
| 20 | MailChannels Inbound Filtering | 5.9 | No | — | Web |
| 21 | NoSpamProxy | 5.9 | No | — | Web |
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Questions about MX Guarddog alternatives
What is the best alternative to MX Guarddog?
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 MX Guarddog?
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.