1. Go to 'Tools'
2. Select 'Accounts'
3. Click on 'mail.domain.com'
4. Click on 'Properties' button
5. Go to 'Servers' tab, in 'Outgoing mail (SMTP):' enter smtp.dnshostmaster.net
6. Under 'Outgoing Mail Server', make sure 'My server requires authentication' is checked
7. Click on 'Settings'
8. Check on 'Log on using' then enter username - smtp@domain.com and the password is provided by us
9. Click 'OK' and then 'Apply', lastly click 'OK'
10. Go to 'Advanced' tab and change the Outgoing server (SMTP) port number from 25 to 587
11. Click 'Apply', 'OK' and you are done
