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Date:      20 Aug 2002 00:19:28 -0500
From:      James McNaughton <jtm63@enteract.com>
To:        freebsd-questions@freebsd.org
Subject:   Sendmail: messages rejected between hosts on private LAN
Message-ID:  <86znvif6ov.fsf@jamestown.21stcentury.net>

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Since upgrading to both my machines (firewall and workstation) to 4.6,
they are rejecting mail messages sent between them. Notice hte log
excerpts:

Aug 19 23:40:07 jamestown sendmail[87376]: g7K4e7Da087376:
ruleset=check_mail, arg1=<jtm@localhost.21stcentury.net>,
relay=tater.21stcentury.net [192.168.1.2], reject=553 5.5.4
<jtm@localhost.21stcentury.net>... Real domain name required for
sender address

The sender address has been changed to "jtm@localhost.21stcentury.net"
from "jtm@tater.21stcentury.net" and I think this is what's cauing the
rejection.

Prior to the upgrade, mail from periodic scripts was being forwarded
without problem and the addresses looked like
<root@tater.21stcentury.net>.

How do I get sendmail to stop substituting "localhost" for the real
hostname in these headers?

TIA

jtm@locahost;)


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