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Re: receiving smtpd[25253] error from sender
From: Wietse Venema (wietse
porcupine.org)
Date: Thu Oct 02 2008 - 05:47:56 CDT
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Wray, Oran:
> 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>
css2.ndcorp.com is not valid. The SMTP protocol requires that
email addresses can be resolved with an MX and/or A lookup in the DNS.
To fix, change the sender address, or change the DNS.
To kludge around, change Postfix not to reject unknown sender domains.
Wietse
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