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