At 14:44 01/26/2001 Friday, Steve Price wrote: >Well I'm not quite convinced of this but I'll definitely hang on >to this bit of advice just in case the lead I'm on now doesn't pan >out. It seems *listserv* is setting the Errors-To in the original >message to the list and the mailserver is just doing what it is >told to do. Either that or the user's mailer is doing it. Here >are the appropriate parts of the mail header. NOTE: the names >have been changed to protect the guilty^Winnocent. > >>>Errors-To: <[log in to unmask]> >>>Date: Thu, 25 Jan 2001 05:27:42 -0500 >>>Reply-To: [log in to unmask] >>>Sender: [log in to unmask] >>>From: John Q. Public <[log in to unmask]> >>>Subject: Some subject line >>>To: [log in to unmask] LISTSERV(R) doesn't set ERRORS-TO: (an RFC822 field, not an RFC821 field). All of the fields above are RFC822 fields and mail bouncing is NOT supposed to use them, just the RFC821 MAIL FROM: field. Many mail clients do not display RFC821 fields. Unfortunately broken clients and servers do exist. /Pete