POPcon PRO™ adds an antivirus scanner, antispam function, and a rule-based message distribution engine.
ChangeSender™ allows you to choose the sender address your emails are sent from on a mail-by-mail basis.
ServerPulse™: Server down? Know about server problems before your users do.
AddressView for Outlook™: Show the recipient address instead of just your name in incoming emails.
CSCatchAll™ adds catch-all mailboxes to your Exchange server, just define a "catchall@yourdomain" email.