MXGuardian’s spam filtering technology works with your existing mail server to protect your business by blocking email threats before they reach your network.
Complete Email Security
- Multi-layer content analysis, including SPF, DMARC, public & private RBLs, URL filtering, attachment scanning, Bayesian analysis, custom rules, and more.
- Double anti-virus protection. Every message is scanned twice by two different AV engines.
- Daily quarantine report for easy review by users or administrators.
- Full support for TLS encryption at the SMTP layer.

More than just spam filtering.
MXGuardian protects against:
- Spear phishing
- Ransomware
- Viruses & Malware
- Social engineering
- Wire transfer schemes
- Spoofing
- Infected attachments
- Malicious URL’s
- Denial-of-Service (DoS) attacks
Quick, Easy Setup
- Cloud-based. Nothing to install or maintain
- Simple, intuitive web interface.
- Works with any mail server software, including Office 365.
- Constantly updated.
Extremely Fast and Reliable
- 99.999% uptime guaranteed.
- Multiple redundant servers in different availability zones.
- Undetectable latency. Most messages are processed in under 5 seconds.
- Acts as a backup MX service. Access your mail even when your server is down.
Try It Free For 30 Days
No Contracts – Cancel Anytime – Free Technical Support
Compatible with any email system

“MXGuardian is what I have been looking to implement for a long, long time. Feels like a weight has been lifted off my shoulders no longer receiving 50+ spam emails each day.”
Richard Miller
Small Business Owner