Hi, Todd.

>Have a VFP app running on an older NT server working fine using CDONTS for sending mail. Client upgrades to Small Business Server 2003 and (surprise!) the mail doesn't work anymore.
>
>Can anyone confirm what mail interface Small Business Server 2003 comes with? CDO? CDONTS but they don't have it configured correctly? SMTP?

Check:
http://support.microsoft.com/default.aspx?scid=kb;en-us;315197

Hope this helps,