Are you sure smtp.xplornet.com supports port 587? Their online
setup instructions don't reflect it:
http://www.xplornet.com/guide.php?id=1#wm

Which company is currently providing your connection to the Internet,
Xplornet or Telus? It is somewhat unusual to have the outgoing
and incoming mail servers belong to different providers.

--
Gary VanderMolen, MS-MVP (Mail)


"Fred " <folthuis@telusplanet.net> wrote in message news:eiXWp%23G7IHA.5440@TK2MSFTNGP02.phx.gbl...
>I can receive but not send emails, a problem that just happened recently. My
> server tried to help me through this but was not able to resolve it. My
> error is
>
>
> 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 'stan@sharpshooterinc.com'. Subject 'Re:
> CLA', Account: 'pop.telus.net', Server: 'smtp.xplornet.com', Protocol: SMTP,
> Server Response: '554 5.7.1 <stan@sharpshooterinc.com>: Recipient address
> rejected: Access denied', Port: 587, Secure(SSL): No, Server Error: 554,
> Error Number: 0x800CCC79
>