Topic: Iredmail refuse mail from listmessenger
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I Have an internal server with listmessenger for newsletter internal service.
It work well, it send messages at another internal linux machine with iredmail.
Today I found this in maillog:
Oct 2 10:07:47 posta postfix/smtpd: NOQUEUE: reject: RCPT from unknown[WEBSERVER IP]: 550 5.1.0 <firstname.lastname@example.org>: Sender address rejected: User unknown in virtual mailbox table; from=<email@example.com> to=<firstname.lastname@example.org> proto=ESMTP helo=<www>
I don't understand why web server send messages as www-data ...???
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