TB not sending my emails.
Thunderbird won't send my emails: An error occurred while sending mail: The mail server sent an incorrect greeting: resomta-ch2-12v.sys.comcast.net resomta-ch2-12v.sys.comcast.net CSI IP 173.244.44.13 is not permitted to send messages. Please contact support if you feel this is in error..
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have you contacted comcast support to ask them why you can't send mail? I can guess, they are the ones refusing so they don't need to guess, they know.