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OVER THE LAST TWO DAYS I HAVE BEEN UNABLE TO SEND EMAILS - THE ERROR MESSAGE SAYS THAT I HAVE BEEN BANNED FROM USING SMTP AUTH DUE TO PREVIOUS ABUSE.
I HAVE NO IDEA WHAT THIS IS ABOUT.
Hi @mahonytp
Welcome to the community!
We did an article that you may find helpful. This will give you details what causes this error message and the troubleshooting to fix it.
Feel free to visit the link below:
Cannot Send Email Rejected by the Server/Banned from using SMTP
Let me know how it will go and should you require further assistance.
Cheers!