Complete spam and virus protection Comprehensive message security to stop spam, viruses, phishing, denial of service (DoS), directory harvest attacks (DHA), and other email attacks. Zero-hour anti-virus protection with multi-layered protection, including heuristic and signature-based detection. Extensive and detailed quarantine summary reporting to end-users through a convenient web console.

Real-time processing with scale and reliability Patented real-time, pass-through architecture ensures that there are no delays, message loss or disruptions to email service, regardless of how high spam volumes climb. 99.999% availability for message processing and capacity to handle billions of transactions a day. Policy enforced domain to domain messaging encryption using standard SSL or TLS protocols. SAS 70 Type II certified and WebTrust seal validates our stringent standards for physical and operational security, assuring the safety of your communications. Manage communication policies for message attachments and content

Sample Filter Report for 30 day period:

Filter Period	Messages	Acct Msgs	Forwarded Acct Msgs	% of Msgs	Blocked Acct Msgs	% of Msgs	Quarantined Acct Msgs	% of Msgs
30days	1,018,472	881,095	51,161	5.8	709,364	80.5	120,570	13.7

80.5% of all inbound messages are SPAM.
13.7% of all inbound messages are suspect and quarantined.
5.8% of all inbound messages are sent on to their receiving inboxes unencumbered.

So this means, for most users, if 100 emails were addressed to you only about 5 were legitimate.