Apparently you are using a From email address that is not associated
with that account, and you have not verified that email address with Yahoo.
The URL given in the error message is misleading. Go here:
http://help.yahoo.com/l/us/yahoo/mai...ndfrom-07.html
--
Gary VanderMolen, MS-MVP (Mail)
"Jay" <Jay@xxxxxx> wrote in message news:85DB09E8-D468-499D-A869-A35D10E7CC44@xxxxxx
Quote:
> Only on occation I am unable to send E-mail. There seems no reason. If I
> attempt to send 2 or 3 times it will finally send. Any ideas?
>
> 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 XXXXXXXXXXXXXXXX. Subject 'Hi', Account:
> 'Work', Server: 'plus.smtp.mail.yahoo.com', Protocol: SMTP, Server Response:
> '553 From: address not verified; see
> http://help.yahoo.com/l/us/yahoo/mai...ndfrom-07.html',
> Port: 25, Secure(SSL): No, Server Error: 553, Error Number: 0x800CCC78