Content Filtering
- Integrated Sophos Antivirus engine (optional extension)
- Protect against viruses, Trojans, worms, spyware and adware
- Zero-day threat protection
- Anti-spam (Bayesian, Heuristic and SURBL)
- Custom blacklists & whitelists
- Greylisting cloud service
- Spam Repellent technology
- Guard against Directory Harvest Attacks (DHA), phishing and spoofing
- Attachment filtering