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How to fix Postfix: 554 Relay access denied error

Postby chandranjoy » Tue Oct 11, 2011 5:22 pm

Postfix: 554 Relay access denied

Let's say you have a user who can't receive e-mail. Each time they send a message to the server, this pops up in the mail logs:

Code: Select all
postfix/smtpd[23897]: NOQUEUE: reject: RCPT from[]: 554 <>: Relay access denied; from=<> to=<> proto=ESMTP helo=<>

This is happening because Postfix is receiving e-mail for a domain for which it doesn't expect to handle mail. Add the domains to the mydestination parameter in /etc/postfix/

mydestination =,,

If you have a lot of domains to add, create a mydomains hash file and change the mydestination parameter:
mydestination = hash:/etc/postfix/mydomains

Create /etc/postfix/mydomains:
localhost OK OK OK

Then run:
# postmap /etc/postfix/mydomains

This will create the hash file (mydomains.db) within /etc/postfix. If you've just added the directive to the, run postfix reload. However, if the directive was already there, but you just adjusted the mydomains and ran postmap, then there is nothing left to do.

Reference: ... stfix.html ... ss-denied/

Others: ... ed-356286/ ... ed-problem
Cool :)
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