Issue between Thunderbird and Comcast email?
I've been using Thunderbird and Comcast forever, never a problem. Last week Thunderbird quit sending e-mails. I've changed all passwords and re-checked SMTP settings and uninstalled and re-installed Thunderbird and nothing works. I can not fix this. Please help. This is the error message:
An error occurred while sending mail: The mail server sent an incorrect greeting: resomta-po-10v.sys.comcast.net resomta-po-10v.sys.comcast.net Excessive failed authentication, ESMTP server temporarily not available.
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When you changed passwords, did you delete the old ones in Saved Passwords in Options, restart TB, then enter the new passwords when prompted? Is the outgoing server smtp.comcast.net on 465, SSL/TLS, normal password authentication? What is the antivirus and its settings for scanning email?
Yes. I did everything listed above.
My antivirus is Norton.
You probably want to add the TB profile folder as an exclusion or disable whatever setting in Norton applies scanning to outgoing mail. You may also have to disable scanning of secure connections.