Set Up Email in Outlook 2003

The following article shows our recommended settings for sending and receiving emails via Microsoft Outlook 2003.

In Outlook go to:

Tools > Emails Accounts
Outlook 2003 - add account, step 1

Outlook 2003 – add account, step 1

Check ‘Add a new email account’

Outlook 2003 - add account, step 2

Outlook 2003 – add account, step 2

  • Choose POP3 if you want to download emails to your computer
  • Choose IMAP if you want them to stay on the server
Outlook 2003 - add account, step 3

Outlook 2003 – add account, step 3

  • Make sure that you have the full email address as username (including @domain.com)
  • Incoming and Outgoing Mail server: domain.com
Outlook 2003 - incoming mail settings

Outlook 2003 – incoming mail settings

Make sure that ‘My server requires authentication’ is enabled

Outlook 2003 - outgoing mail authentication

Outlook 2003 – outgoing mail authentication

  • Port numbers must be
POP3: 110
IMAP: 143
SMTP: 25 or 26
Outlook 2003 - outgoing mail settings

Outlook 2003 – outgoing mail settings

If you have troubles sending emails via port 25, try 26 instead.


Was this article helpful?
Spread the word!