[TriLUG] need help allowing a certain host access to our postfix server

[Chris Bullock]

we have tried to implement some spam blocking controls on postfix.  This has helped a little but now we have some windows machines running specific applications that postfix is rejecting the mail due to the device not having a fqda.  Please see logs.
Oct  6 10:08:22 mx2 postfix/smtpd[1857]: NOQUEUE: reject: RCPT from voicemail.mydomain.com[12.2.6.5]: 504 <Non-mail-user>: Sender address rejected: need fully-qualified address; from=<Non-mail-user> to=<5555555 at iwarn.com> proto=ESMTP helo=<voicemail>


The host is in our known networks also.
please advise.
Chris

 		
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