SmarterMail now has a built in chat. This can be used by all users of the same domain to keep all communication internal. Any chat client that support this protocol can be used with SmarterMail.
Follow these steps to connect SmarterMail chat using Adium's Setup Assistant:
Trouble logging in? Simply enter your email address OR username in order to reset your password.
For faster and more reliable delivery, add firstname.lastname@example.org to your trusted senders list in your email software.