Netscape Communicator, Messenger and Collabra

From the menu bar click on, Edit and select Preferences. Double click on Mail and Groups and select Mail Server. Enter in the appropriate information. Outgoing mail (SMTP) and incoming mail (POP3) servers are "scully.mintsol.com".  Replace user with your  username.

You must now configure Netscape to send email using SMTP Authentication.  Do do this, follow the instructions located here.