Error Message: Relaying not allowed????

[Xaos]

I keep getting this message while trying to email a message, and I don't
have any idea why? Any suggestions?

Thanks in advance!

Chaz



Your message did not reach some or all of the intended recipients.
Subject: Joe Smith - sent 10:52am Thursday from Lexus
Sent: 7/19/2007 10:52 AM
The following recipient(s) could not be reached:
Joe Smith ([email protected]) on 7/19/2007 10:52 AM
530 5.7.1 Relaying not allowed: (e-mail address removed)
Joe Smith ([email protected]) on 7/19/2007 10:52 AM
530 5.7.1 Relaying not allowed: (e-mail address removed)

 

[Brian Tillman]

I keep getting this message while trying to email a message, and I
don't have any idea why? Any suggestions?

The most frequent cause is not properly authenticating to the outgoing
server.