Getting "554 5.7.1 : Relay access denied" error in Postfix.
Issue
- Postfix is running on
MX server.Mailsare delivering on the system but not going toremote destinationand getting following error:
Nov 26 08:33:54 smtp3 postfix/smtpd[27945]: NOQUEUE: reject: RCPT from d04-o33.htest.com[xx.xx.xx.xx]: 554 5.7.1 <user@domain.com>: Relay access denied; from=<user1@htest.com> to=<user@domain.com> proto=ESMTP helo=<D04-O33.htest.com>)
Environment
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Postfix
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