Use our mail server as the outgoing mail server in your settings.
Confirm and change is necessary to have SMTP authentication is enabled and port
SMTP changed 2525.

Go to Tools -> Accounts

Click on the "Mail" Tab and double click on your email account with us or highlight the email account and
click on Properties.

In the "Servers" tab, verify your domain name is in the incoming and outgoing settings.
Please make sure you have "My outgoing server (SMTP) requires authentication"
checked and click OK and finish out of the settings dialogue.

Click on the "Advanced" tab and change the "Outgoing mail (SMTP) port to: 2525
Click on OK and exit out the dialogue box.