> I am unable to figure out why because Princeton's system makes it impossible > for me to figure out who the posting was intended for. Maybe I'm being dense, but I don't see the problem. Isn't it obvious that the posting in this case was intended for the user mentioned in the SMTP transaction? I.e., <[log in to unmask]>. Isn't it just a matter of removing that user from the subscriber list? John > ----------------------------Original message---------------------------- > The enclosed mail file, found in the HELP-NET reader and shown under the > spoolid 7541... > Date: Tue, 26 Feb 91 09:25:19 EST > From: <[log in to unmask]> > To: <[log in to unmask]> > Subject: Undeliverable Mail > > pucc.PRINCETON.EDU unable to deliver following mail to recipient(s): > <[log in to unmask]> > pucc.PRINCETON.EDU received negative reply: > 550 (USER) Unknown user name in "[log in to unmask]" > > ** Text of Mail follows ** ...