The sender will need to setup sendmail to masquerade as his firewall. That is how this message is getting out, my box masqerades as vnet.ibm.com when sending mail externally.
-- Rick Nelson On Thu, 10 Sep 1998, Gene McCulley wrote: > Date: Thu, 10 Sep 1998 11:11:53 -0400 (EDT) > From: Gene McCulley <[EMAIL PROTECTED]> > To: debian-user@lists.debian.org > Subject: sendmail rejecting bad domains > Resent-Date: 10 Sep 1998 15:12:00 -0000 > Resent-From: debian-user@lists.debian.org > Resent-cc: recipient list not shown: ; > > I have someone trying to send me email from a machine that is behind a > firewall. The firewall relays the mail through, but leaves the > sender's machine name on the message. The sender's machine is not in > the DNS, so sendmail rejects it with "501 Sender domain must exist". > The sender can't fix his corporation's broken firewall. How do I get > sendmail to allow this message through? I care less about spam than I > do lost email. > > Thanks for any clues. > > -- > | Gene McCulley | [EMAIL PROTECTED] | Voice: (407) 265-0772 | > | Cuspy Solutions, Inc. | http://cuspy.com/~mcculley/ | Fax: (407) 265-0773 > | > | Your father was a hamster and your mother smelt of elderberries! > | > > > -- > Unsubscribe? mail -s unsubscribe [EMAIL PROTECTED] < /dev/null >
