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Best MX Guarddog Alternatives in 2026

12 platforms from email anti-spam software ranked against MX Guarddog on the same published basis.

  1. 1
    Mailprotector Free plan apiWeb Free7.2
    MX Guarddog vs Mailprotector
  2. 2
    Retarus Transactional Email Free trial apiWeb 7.0
    MX Guarddog vs Retarus Transactional Email
  3. 3
    Mailinblack Protect apiself-hostedWeb 6.9
    MX Guarddog vs Mailinblack Protect
  4. 4
    SpamHero Business Email Security Free trial apiWeb $5/mo6.7
    MX Guarddog vs SpamHero Business Email Security
  5. 5
    MailWasher Free plan AndroidiOSWin $4.16/mo6.0
    MX Guarddog vs MailWasher
  6. 6
    JetEmail Free plan Web $29/mo5.9
    MX Guarddog vs JetEmail
  7. 7
    Cleanmail Free trial self-hostedWeb 5.6
    MX Guarddog vs Cleanmail
  8. 8
    Mimecast Data Leak Prevention Web 5.6
    MX Guarddog vs Mimecast Data Leak Prevention
  9. 10
    Proxmox Backup Server LinuxWeb €46.67/mo5.5
    MX Guarddog vs Proxmox Backup Server
  10. 11
    Vade for Microsoft 365 Web 5.5
    MX Guarddog vs Vade for Microsoft 365
  11. 12
    Forcepoint ZTNA Macself-hostedWebWin 5.4
    MX Guarddog vs Forcepoint ZTNA
  12. 13
    Libraesva Email Security Free trial self-hostedWeb 5.3
    MX Guarddog vs Libraesva Email Security
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