550 5.7.54 SMTP; Unable to relay recipient in non-accepted domain (in reply to RCPT TO command))
Issue
- The relay server reports '550 5.7.54 SMTP; Unable to relay recipient in non-accepted domain (in reply to RCPT TO command))'.
- Why does maillog reports issues as unable to relay recipient in non-accepted domain ?
Environment
- Red Hat Enteprise Linux (All Versions)
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