Error message. HELP!

[mandee78]

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 Subject 'Fw: king of the hill', Account:
'Home', Server: 'plus.smtp.mail.yahoo.com', Protocol: SMTP, Server Response:
'530 authentication required - for help go to
http://help.yahoo.com/help/us/mail/pop/pop-11.html', Port: 465, Secure(SSL):
Yes, Server Error: 530, Error Number: 0x800CCC78

 

[t-4-2]

Under the Servers window where you entered your smtp server name, put a
checkmark on " This server requires authentication " > OK
t-4-2