Click on Tools> Accounts>

On the Mail tab, select your account and then click Properties .

Go to the Servers tab.
Fill out the fields and also Select My server requires authentication , and then click Apply .

Go to the Advanced tab.
In the Server Port Numbers section, change Outgoing mail (SMTP) to 2525 , and then click OK .

(Optional) If you want to keep a copy of email messages stored on your email provider's servers, in the Delivery section, select Leave a copy of messages on server .
Your Outlook Express account is now set up. Click Close to close the Internet Accounts window and return to your Outlook Express.