Multiple testing methods allow administrators to adjust spam prevention techniques and block 99% of incoming spam
Heuristic and Bayesian Engines allow for two different filtering techniques
DNS and URI Blocklists use numerous third-party servers to determine spam
Greylisting delays inbound mail from unknown senders to discourage spam
Message Certification allows for a third-party to validate a sending server so it is considered friendly
Backscatter Protection prevents receiving irritating bounce messages from messages you did not send
Message Scoring can be customized to fit each domain's needs — each domain can refuse, quarantine, or tag messages based on various scores
Anti-Virus
Flexible configuration to perform automatic updates at regular intervals, ensuring the greatest protection. Messages with viruses may be refused or quarantined for later review on a per-domain basis.
ProtectionPlus for SecurityGateway (Optional)
Extends and complements the built-in anti-virus and anti-spam features of SecurityGateway, allowing administrators the flexibility to use multiple AV engines in addition to real-time virus and spam pattern analysis.
Kaspersky AV Engine provides best of class antivirus scanning
Outbreak Protection allows SecurityGateway to recognize spam or virus outbreaks almost immediately as they are released over the Internet
