From: Sahil Tandon (sahiltandon.net)
Date: Wed Oct 01 2008 - 22:03:45 CDT

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Wray, Oran <OWrayMarsh.net> wrote:

> smtpd[25253]: NOQUEUE: reject: RCPT from
> mailgw1.per-se.com[199.190.235.46]: 450 4.1.8
> <daemoncss2.ndcorp.com>: Sender address rejected: Domain not found;
> from=<daemoncss2.ndcorp.com> to=<owraymarsh.net> proto=ESMTP
> helo=<mailgw1.per-se.com>

Please post the output of 'postconf -n' and follow the instructions in
the DEBUG_README (a document to which you were referred upon subscribing
to this mailing list) when asking for help.

The rejecting server has probably specified
reject_unknown_sender_domain:

http://www.postfix.org/postconf.5.html#reject_unknown_sender_domain

% host css2.ndcorp.com
Host css2.ndcorp.com not found: 3(NXDOMAIN)

--
Sahil Tandon <sahiltandon.net>

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