Hi @timelord ,
Thanks for raising this to us. Here is an article that you may find helpful, this will guide you a basic troubleshooting on how to fix this outgoing email issue.
See link below:
Cannot Send Email Rejected by the Server/Banned from using SMTP
Let us know how it will go, cheers!
@timelord wrote:
Outgoing e-mails labelled as spam and not sent from Outlook, please help. I have not been sending any spam.
Task 'xxxx@tpg.com.au - Sending' reported error (0x800CCC78) : 'Cannot send the message. Verify the e-mail address in your account properties. The server responded: 535 5.7.8 [TPG-A02] Authentication denied. User xxxx@tpg.com.au is banned from using SMTP AUTH due to previous abuse'
