On 5/28/15 12:29 AM, Don Fanning wrote:
Can you send me a domain setup in this way now, I'd like to query it's records and see this in the wild.
It should be fairly easy to sandbox it on your LAN with two sendmail boxes.
http://serverfault.com/questions/470649/how-can-e-mail-be-delivered-to-a-dom...
This link has nothing to do with a CNAME record and MX following the actual A record.
I'm not full of free time to set this up, so if you have it working in the wild please share. If not it's just speculation about arcane RFC compliance; certainly not anything that would be best practice.