Have changed password. Still cannot send emails via Mozilla Thunderbird for 2 days now. Any help would be surprising but appreciated. . "An error occurred while sending mail. The mail server responded: 535 5.7.8 [TPG-A02] Authentication denied. User email@example.com is banned from using SMTP AUTH due to previous abuse. Please verify that your email address is correct in your account settings and try again."
... View more