Set the following options in your outlook express email profile in order to send and receive messages through your smartermail account, for more details please watch the flash tutorial linked below:
For outbound (smtp) and inbound server: mail.ihostasp.net
Primary smtp port: 25
or you can use port: 825 (some ISPs block port 25)
Then choose properties in the profile setup window and then choose the "servers" tab. For the Outgoing mail server check the "my server requires authentication" check box and enter the users email address and password in the account fields or choose "use same settings as my incoming mail server".
Flash tutorial:
http://www.ihostasp.net/FlashTutorials/ShowTutorial.asp?Path=%2FFlashTutorials%2FHelmUser%2Fhelm%5Feu%5FOE%2Eswf&Title=Creating+an+E%2Dmail+Account+in+Outlook+Express&Description=This+tutorial+will+show+how+you+to+create+an+e%2Dmail+account+in+Outlook+Express%2E