-
Open Mail and select Mail from the top menu bar and click on Preferences.

Click on Accounts at the top of the window. The Account Information will
appear as shown below. The current setting for Outgoing Mail Server (SMTP)
is "smtp.clarityconnect.com:jdoe" (without quotes).

Click the Server Setting... button, and the Accounts (OS
X 10.4) or SMTP Server Options (OS X 10.3) window will appear.

Change the Outgoing Mail Server from "smtp.clarityconnect.com" to "smtp-relay.clarityconnect.com" (see
figure below).
Make sure Password is selected for Authentication with User Name and Password fields filled in.

Click OK to save the new setting. The Outgoing Mail Server (SMTP) should
now read "smtp-relay.clarityconnect.com"

Click the red X button at the top left corner to close the Account Information window.
The change is now complete. You should be able to send messages again. If not, please restart the computer.