MailScan 4 for MailMax is the world's first "Real-Time" e-mail scanner for MailMax Mail Server. This server is published by SmartMax Software Inc. MailScan 4 for MailMax, acts like a Content-Security and Anti-Virus Software for your Corporate MailMax. MailScan is the *only* product available in the world that transparently works on both SMTP and POP3 traffic.