In a situation like this (for example for an eudoramail.com account I have), I will enter my mancostudios.com email address as the REPLY-TO address. This might be all that you need?
---marlyse --------------- former message(s) quotes: ---------------- >>These days, it is almost impossible to use out-net SMTP. Why not use in- >>net SMTP (use your ISP's SMTP)? >I am using mostly comcast... I have to, but there are times when I want >my domain's name associated with my email.