SMTP
From PresenceWiki
This is SMTP
http://www.international-presence.com/images/docs/smtp/resource_server.png
http://www.international-presence.com/images/docs/smtp/resource_info.png
http://www.international-presence.com/images/docs/smtp/resource_ssl.png
http://www.international-presence.com/images/docs/smtp/resource_test_good.png
http://www.international-presence.com/images/docs/smtp/resource_test_bad.png