Are you connected to the same network as the desktop computer when this
happens?
Since a laptop can be carried anywhere, it can connect wirelessly to other
networks.
The mail server on those other networks don't want you to use it unless you
are a paying customer.
--
http://get.live.com/wlmail/overview
"John & Alice Dowdell" <jadowdell@xxxxxx> wrote in message
news:OEAlOXyaIHA.1188@xxxxxx
Quote:
> Below is the error message I receive intermittently when sending with my
> laptop using Vista / Windows Mail, I never have this problem when sending
> with my desktop which uses Windows XP / Outlook Express. Same ISP so I
> don't understand how it could be the settings and I have discussed this
> with my ISP months ago. It comes and goes ! Frustrating
> _______________________________________________________________________________________________________________________________________
>
>
> 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 ( the email address ) Subject 'Fw: test',
> Account: 'pop.phnx.qwest.net', Server: 'pop.phnx.qwest.net', Protocol:
> SMTP, Server Response: '553 relaying denied.', Port: 25, Secure(SSL): No,
> Server Error: 553, Error Number: 0x800CCC79
>
>