Cloudflare adding a Domain with Exchange Server for proper mail flow

Creating a Cloudflare account and Adding Domain.
Setting up Pfsense Firewall for Exchange.
End result is to send /receive email without bounceback or going to junk

Towards the end of this video I am showing the DKIM TXT record
I did not show creating it
You will need to create a NEW TXT record
TXT= s1024._domainkey
Content is the value it generates in te DKIM config.

SPF Record Type = TXT
name = mail
v=spf1

DMARC Record Type = TXT
name = _dmarc
v=DMARC1; p=quarantine; rua=mailto:[email protected]

DKIM
https://github.com/Pro/dkim-exchange/releases/tag/v3.3.4