Head-to-head · Anti-spam Software
MX Guarddog vs 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
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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 |
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| Cons |
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| 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 → |
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 →
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
Last updated · How we research and update






