After I changed my nameservers to cloudflare nameservers, my site can no longer send a mail using my default hosting mail sender. please how can I resolve this?

[lucky.victory]

I recently changed my sites nameservers to that of cloudflare, now my site can’t send mail anymore,
it keeps showing me errors log

[thedaveCA]

What errors?

[lucky.victory]

Here’s a screenshot

[keimah]

look here…

Email Troubleshooting

This tutorial covers the steps you should take if, when you change your domain to point to Cloudflare, you no longer receive emails to your domain. If you follow this tutorial and still need further help, please let us know what you have tried and share your domain name and, if possible, a redacted screenshot of your DNS records in Cloudflare. [Cloudflare Community Tutorial - Troubleshooting Email Delivery Issues] 1. Do you have the correct MX records set for your domain? You will…