SMTP Error - 554 - Relay Access Denied
Posted on 2009-04-21
We have a user that is receiving the following SMTP error:
Your message did not reach some or all of the intended recipients.
Sent: 4/21/2009 9:02 AM
The following recipient(s) could not be reached:
4/21/2009 9:02 AM
There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.
<exchange.domain.local #5.5.0 smtp;554 email@example.com: Relay access denied>
Any ideas as to why this error was received, the user indicated that they were able to send an email to this specific user only last week...