Investigate "The system has detected an unusually large amount of outbound email." issue

Job ID: 32669315

Budget: $10 – $100 AUD

We have a server/wordpress website issue where an account is getting this error "The system has detected an unusually large amount of outbound email."

Looking someone experienced and skilled to assist in investigating this issue.

I have attached a screenshot of a spam email. I can see that the email is sent from achieva.websitewelcome.com to our server sydvps1.gmbo.com.au then onto BE0DEU01FT021.mail.protection.outlook.com

More details can be found here https://docs.google.com/document/d/1f3zXjiYgLJ0CH-zzWpfmO3WlIma-6AMP6nxu3pvxUas/edit?usp=sharing
Related categories: PHP Web Security WordPress Website Testing Web Hosting