Hi @grashar1 ,
Welcome to the community!
We did an article that you may find helpful, this will guide you on how to fix getting SMTP authentication error please see the link below.
Cannot Send Email Rejected by the Server/Banned from using SMTP
You may also try this article below.
How to Enable the SMTP Authentication
Let us know how it will go.
Cheers!
@grashar1 wrote:
Hi, I am currently using complete mail and everything was fine but am now getting 5.7.1 saying it is spam....... I can send through tpg mail
Please help
