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Head-to-head · Anti-spam Software

MX Guarddog vs Mailprotector

  • Updated Sep 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score MX Guarddog #6 in Anti-spam Software 7.0/10 Free plan · paid from $0.25/mo · 30-day trial Free plan✓ 1 of 5 features Visit MX Guarddog
Mailprotector #7 in Anti-spam Software 6.9/10 Pricing on request ✓ 0 of 5 features Visit Mailprotector

MX Guarddog leads on 2 checks, Mailprotector on 0, and 0 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMX Guarddog · 7.0/10
  • Free planonly MX Guarddog
  • Most featuresMX Guarddog · 1 of 5

MX Guarddog scores higher on our rubric for anti-spam software: 7.0 against 6.9 out of 10; our editors rank them #6 and #7.

MX Guarddog offers free plan; Mailprotector doesn't publish it. MX Guarddog offers malware scanning; Mailprotector doesn't publish it.

MX Guarddog is the better fit for small teams with their own email servers. Mailprotector is the better fit for microsoft or Google users needing impersonation controls.

  • MX Guarddog fits best

    Small teams with their own email servers

  • Mailprotector fits best

    Microsoft or Google users needing impersonation controls

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature MX Guarddog 7.0/10 Visit ↗ Mailprotector 6.9/10 Visit ↗
At a glance
Editor score 7.0 6.9
Ranking #6 in Anti-spam Software #7 in Anti-spam Software
Best for Small teams with their own email servers Microsoft or Google users needing impersonation controls
Pricing model Free plan + paid Paid
Starting price $0.25/mo Not published
Free plan ✓ (best) Not published
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Integrations 3 integrations 6 integrations
Features MX Guarddog 1/5 · Mailprotector 0/5
Phishing protection Not published Not published
Malware scanning ✓ (best) Not published
Quarantine controls Not published Not published
API access Not published Not published
Email continuity Not published Not published
Specs
Deployment Not published Not published
Users included Not published Not published
Our review
Pros
  • Filters spam, phishing, malware and viruses before forwarding clean mail
  • Includes quarantine review and message release for users and administrators
  • Synchronizes accounts with Windows AD, LDAP and cPanel
  • Filters inbound spam, phishing, and malware, plus outbound messages
  • Detects impersonation and enforces DMARC across supported email environments
  • Quarantine tools include safe previews and one-click release or blocking
Cons
  • Does not support consumer Gmail or Hotmail accounts
  • Requires DNS mail routing through its cloud gateway
  • Free access requires visible website text links to earn tokens
  • Pricing requires contacting sales rather than choosing a published plan
  • Gateway deployment may be more than teams seeking basic spam filtering need
  • Malware sandboxing is not established in the product description
Our verdict

MX Guarddog is a hosted email security service for organizations, individuals and domain owners using their own email servers. Incoming mail is routed through its data centers for spam, phishing, malware and virus scanning; clean messages…

Read the review →

Mailprotector’s CloudFilter is a secure email gateway for managed service providers and the organizations they support. It filters inbound messages for spam, phishing, and malware, and also applies outbound filtering. Microsoft 365 and…

Read the review →
  1. MX GuarddogAnti-spam Software 7.0Free plan · paid from $0.25/mo · 30-day trial
  2. MailprotectorAnti-spam Software 6.9Pricing on request

Strengths and trade-offs

  • MX Guarddog — where it wins

    • Filters spam, phishing, malware and viruses before forwarding clean mail
    • Includes quarantine review and message release for users and administrators
    • Synchronizes accounts with Windows AD, LDAP and cPanel

    Where it doesn't

    • Does not support consumer Gmail or Hotmail accounts
    • Requires DNS mail routing through its cloud gateway
    • Free access requires visible website text links to earn tokens
  • Mailprotector — where it wins

    • Filters inbound spam, phishing, and malware, plus outbound messages
    • Detects impersonation and enforces DMARC across supported email environments
    • Quarantine tools include safe previews and one-click release or blocking

    Where it doesn't

    • Pricing requires contacting sales rather than choosing a published plan
    • Gateway deployment may be more than teams seeking basic spam filtering need
    • Malware sandboxing is not established in the product description
  • MX Guarddog7.0/10 · Free plan · paid from $0.25/mo · 30-day trial

    An affordable cloud gateway for filtering mail on your own domain and server.

    Visit MX GuarddogFull verdict →
  • Mailprotector6.9/10 · Pricing on request

    Broad inbound and outbound controls for mixed email environments, with sales-led pricing.

    Visit MailprotectorFull verdict →

More comparisons

Guides on anti-spam software

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update