Followed the instructions in the previous posts. Created a new email address in my Cpanel. Configured Thunderbird to use it. net result is the following error message: Sending of password did not succeed, Mail server mail.comcast.net responded login failed.
Have tried the following. Changed pass word, no help.
added the complete address nar321@robertnelsononline.com, instead of only nar321 for user name, no help