Best MX Guarddog Alternatives in 2026
Updated
20 platforms from email anti-spam software ranked against MX Guarddog on the same published basis.
- 1MX Guarddog vs MailWasher
- 2MX Guarddog vs Rspamd
- 3MX Guarddog vs Cleanmail
- 4MX Guarddog vs JetEmail
- 5MX Guarddog vs Retarus Transactional Email
- 6MX Guarddog vs Sophos Secure Message
- 7MX Guarddog vs Mailprotector
- 9MX Guarddog vs Apache SpamAssassin
- 10MX Guarddog vs Zerospam
- 11MX Guarddog vs Mimecast Data Leak Prevention
- 12MX Guarddog vs SpamHero Business Email Security
- 13MX Guarddog vs SpamSieve
- 14MX Guarddog vs SpamTitan Gateway
- 15MX Guarddog vs Libraesva Email Security
- 16MX Guarddog vs MailChannels Inbound Filtering
- 17MX Guarddog vs Mailinblack Protect
- 18MX Guarddog vs Proxmox Backup Server
- 19MX Guarddog vs Forcepoint ZTNA
- 20MX Guarddog vs Vade for Microsoft 365
- 21MX Guarddog vs SPAMfighter
MX Guarddog alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | MailWasher | 7.8 | Free plan | $4.16/mo | Android, iOS, Windows |
| 2 | Rspamd | 7.0 | Free plan | £100/mo | Linux, Mac, self-hosted |
| 3 | Cleanmail | 6.9 | self-hosted, Web | ||
| 4 | JetEmail | 6.9 | Free plan | $10/mo | API, Web |
| 5 | Retarus Transactional Email | 6.9 | API, Web | ||
| 6 | Sophos Secure Message | 6.9 | Web | ||
| 7 | Mailprotector | 6.8 | Free plan | Free | API, Web |
| 9 | Apache SpamAssassin | 6.6 | Free plan | Free | API, Linux, self-hosted |
| 10 | Zerospam | 6.6 | No | €5/mo | Web |
| 11 | Mimecast Data Leak Prevention | 6.5 | Web | ||
| 12 | SpamHero Business Email Security | 6.5 | No | $5/mo | API, Web |
| 13 | SpamSieve | 6.5 | No | Mac | |
| 14 | SpamTitan Gateway | 6.5 | self-hosted, Web | ||
| 15 | Libraesva Email Security | 6.4 | self-hosted, Web | ||
| 16 | MailChannels Inbound Filtering | 6.4 | API, Web | ||
| 17 | Mailinblack Protect | 6.3 | API, self-hosted, Web | ||
| 18 | Proxmox Backup Server | 6.3 | €46.67/mo | Linux, Web | |
| 19 | Forcepoint ZTNA | 6.2 | Mac, self-hosted, Web, Windows | ||
| 20 | Vade for Microsoft 365 | 6.2 | Web | ||
| 21 | SPAMfighter | 6.0 | Windows |
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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 7.8 out of 10. The others here: Rspamd, Cleanmail, JetEmail and 16 more.
What is the best free alternative to MX Guarddog?
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 how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.