Sentinare PostGuard is an email spam filter & virus filter that quarantines all types of email-borne threats before they ever reach your internal network. Email Security requires a multi-layered approach, and Sentinare provides the first line of defense, by securing your network perimeter from email threats. A secure web-based quarantine allows for protected access to view quarantined items. Feel safe knowing your email interface is protected using the latest encryption and security protocols.