>One of my subscriber who uses an internet access through a >BBS gets normally the mails but cannot send any message >to the list. Basically, their e-mail service providor (most likely) has NOT properly configured their SENDMAIL parameters. The FROM: field is not RFC821/822 compliant. This probably is not the user's or your fault. They need to contact their postmaster. >Each time she tries, she receives back the following >message: > ----- Transcript of session follows ----- > MAIL From:<atlmug.org!Caroline_I._Widmer> >501 Syntax Error. Missing Domain Name >554 emory!SJUVM.STJOHNS.EDU!SPIRAMED... Remote protocol >error