Solved
Cannot Send with Thunderbird
I have been using Cox email for over 40 years and most of that time I have used Thunderbird as my email program.
Cox just switched to enhanced security server settings and I have changed both incom...
False Alarm! I contacted Cox support a second time and they now tell me that their outgoing server has gone down and they don't know when it will be up again.
I guess this question is now resolved.
