1 – Top Menu > Tools > Click on Account Settings
2 – Accounts Setting. On the E-mail tab, click on New.
3 – Select "Manually configure server settings or additional server types" and click on Next >
4 - Select Internet E-mail and Click Next:
5 – Enter the following information for E-mail Accounts.
6 – Select My outgoing server (SMTP) requires authentication. Then choose to Use same settings as my incoming mail server.
7 – Select Advanced > Outgoing server (SMTP). For non-secured connections you can use 25/26, for secure you can use 587.
8 – Click OK
Now your account is created in Outlook Express: