RE: Unable to send via windows mail

I am having the same issue, it started last night

"nufcquigs" wrote:

Hi everyone, I am having trouble sending via windows mail, one day it was
working and then for some reason it doesnt. I can still received email but
unable to send. I have all correct settings, I have deleted accunt and re
installed account, changed port settings as requested and still get the same
error. which is the following
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 'mws08sportswear@xxxxxxx'. Subject 'test',
Account: '', Server: '', Protocol: SMTP, Server
Response: '553 5.7.1 <briandquigley@xxxxxxx>: Sender address rejected: not
logged in', Port: 587, Secure(SSL): No, Server Error: 553, Error Number:

Can anyone help me?