If you are having problems sending and receiving mail, you may need change your authentication method or send and receive ports.

1. Click on Tools, Account settings. (In Outlook 2010, it's File, Account settings)
2. Select the account and click Change to open the account settings dialog (or double click on the account). [See below for the menu path in older versions of Outlook]
3. Click More Settings.
4. On the Outgoing server tab, select the authentication method used by your SMTP server. Most will use the same as the Incoming server. If you use a server that is associated with a different account, enter the username and password on this tab.
5. Change the port numbers and encryption method on the Advanced tab as needed.

Video Tutorial

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Older Versions

In Outlook 2002/2003, go to Tools, Email Accounts, View or Change Accounts. Select the Account and click change – now click the More Settings button.

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Last reviewed on Aug 16, 2011