These screenshots were taken using Mac OS 10.3.

In the Account Preferences window, choose the “Advanced” section. Check “Use SSL” - the port should change by itself to 993 (for IMAP).

For outgoing mail, you need to set our general settings which are as follows:

• Server name: mail.physics.umn.edu
  • Select “StartTLS”
  • Port 587
  • Use physics username and password