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IREO offers several solutions for email security, which not only clean messages of malware and eliminate spam, but also can analyze the contents of the messages and apply acceptable use policies. They also form an important part of any DLP strategy and allow for automatic encryption based on the content of the message.
MailMarshal SMTP is a total email content security solution that unifies anti-spam, email threat protection, content security, policy enforcement and data leakage prevention. It acts as an email gateway with an in-Depth anti-spam engine—filtering all incoming and outgoing email at the perimeter. It's highly scalable, flexible and easy to manage .