Cant send email from outlook 0x800CCC78

[pjgibson1]

Sending' reported error (0x800CCC78) : 'Cannot send the message. Verify the email address in your account properties. The server responded: 535 5.7.8 [TPG-A02] Authentication denied. User xxxxx@tpg.com.au is banned from using SMTP AUTH due to previous abuse'

[Rica_R]

Hi, @pjgibson1.

Have you tried sending an email using your TPG Post Office? Are you also getting the same error? If you haven't, please try to do a test email and let us know how it goes. Thanks.