I am using SBC DSL and have run into same situation. By unchecking "My
outgoing server ....." I too had a positive result. I can now send out e-mail.
"Wayne Abruzzo" wrote:
Out of curiosity I disabled (unchecked) "My outgoing server (SMTP) requires
> authentication" on the Outgoing Server tab and that resolved the problem.
> It appears Cox no longer requires authentication when using their SMTP
> server for outgoing email with a non-Cox email address. I've confirmed it
> with Windows XP Pro SP2 / Outlook XP (2002) as well.
> The only mystery now is why I get an error message when enabling
> authentication and specifying my Cox credentials for outgoing email in
> Outlook 2007 and no error message when doing the same with Outlook XP
> (2002)??? I'm glad it works now, but I have a compulsive need to know why
> and what the difference is with the new Outlook 2007 client!!!
> Any additional comments or suggestions are welcome.
> "Wayne Abruzzo" wrote in message
> > The Outlook 2007 Beta 2 client is giving the 0x800CCC80 "None of the
> > authentication methods supported by this client are supported by your
> > server" error message when sending for an IMAP configuration running on
> > Windows Vista Beta 2. Is there an enhanced security setting I am missing
> > with the Outlook 2007 client or perhaps with Windows Vista that is
> > preventing messages from being sent?
> > ADDITIONAL INFO: Residential high speed Internet via Cox cable requires
> > the use of their SMTP server for all outgoing SMTP traffic so I use my
> > incoming IMAP server and Cox's outgoing SMTP server. I specify the
> > appropriate credentials for my incoming IMAP server and the appropriate
> > credentials on the Outgoing Server tab for the Cox SMTP server. I've
> > Google'd the error code and didn't get anything useful.
> > The identical configuration works perfectly under Windows XP / Outlook XP
> > (2002) and with Windows Vista / Windows Mail (default email client in
> > Vista). I've configured the email account slowly several times in Outlook
> > 2007 to make sure I was not typing any of the info incorrectly. It seems
> > to be a security "feature" or other setting in Outlook 2007 or Windows
> > Vista that is preventing the connection/authentication. Or perhaps the
> > Cox SMTP server does not recognize commands coming from these Beta
> > products.
> > Thanks for your input and suggestions.
> > Wayne