Comcast SMTP / Thunderbird woes

[blu at scrunch.net (Bob BLU)]

At 12:34 PM 11/30/2005, Robert La Ferla wrote:
>Has anyone else here experienced problems recently with sending e-mail through Comcast's SMTP server? 
>I keep getting "An error occurred while sending mail.  The mail server responded: permit denied.  Please verify that your email address is correct in your Mail preferences and try again."

Are you connecting from the Comcast network (eg: your house), or from a different network (eg: somewhere else)?  If you are connecting from somewhere else, then you probably need to authenticate before sending.