HOW TO FIX THIS ERROR EMAIL NOT SUBMIT?

HOW TO FIX THIS ERROR EMAIL NOT SUBMITTED?

Here is my DNS setting on Cloudflare.

Thank you

aaP_ngbaze100
Hi, this requires the proxy to be turned off.

nslookup mail.ngbaze.net

I have turned it off but yet am facing the same errors. any help?

Which IP address i should use to add on Cloudflare, please? help

aaP_ngbaze100
The A record of mx needs to point to the ip of the server, and the proxy cannot be enabled. What does the error say