error message

[joy]

what does this message mean
The message could not be sent. The authentication setting might not be
correct for your outgoing e-mail [SMTP] server. For help solving this
problem, go to Help, search for "Troubleshoot Windows Mail", and read the
"I'm having problems sending e-mail" section. If you need help determining
the proper server settings, please contact your e-mail service provider.

The rejected e-mail address was '(e-mail address removed)'. Subject 'pets',
Account: 'mail.tpg.com.au', Server: 'mail.tpg.com.au', Protocol: SMTP, Server
Response: '550 5.1.1 <[email protected]>... User unknown', Port: 25,
Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79

 

[Gary VanderMolen [MVP]]

Just like it says, there is no recipient with the email address
(e-mail address removed).

 

[arbnore]

my messenger error

 

[Gary VanderMolen [MVP]]

Is what?
Right-click on your error message, copy, then paste it into a reply here.
We can't do much troubleshooting without the complete error message.