SmarterMail - Enable/Disable Graylisting
How to check smtp connections.
Step 1 - Log in to Smarter Mail as the system administrator.
Step 2 - Click on Connections.
Step 3 - Here you can see All Connections. SMTP, IMAP, POP XMPP and ActiveSync. You can individually check connection of all protocols and in All Connections you can see all active connections.