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Thunderbird won't download messages: "An error occurred with the POP3 mail server. Mail server responded""

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  • 1 has this problem
  • Last reply by Toad-Hall

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With latest update, Thunderbird doesn't download messages, give the error message above. Sending email gives message: "An error occurred while sending mail: the mail server sent an incorrect greeting: Cannot connect to SMTP server ( Connect error 10060

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Do you use Avast Anti-virus Program?

If yes:

Disable the "mail shield" in Avast. If this works, it may be worth trying to leave just the SSL scanning turned off.