I currently have a setup of clusters in this format
mx1.domain.com
Domains are using mx1.domain.com and mx2.domain.com as the MX record
I'm setting up this way because if one node goes down or I want to add new node to it, I can quickly remove/add it out of the A record and the domains using mx1 and mx2 in the MX record won't need to make any changes to it.
Also acting as a simple load balancing setup via round robin
mx1.domain.com
- node1
- node2
- node3
- node4
- node5
- node6
Domains are using mx1.domain.com and mx2.domain.com as the MX record
I'm setting up this way because if one node goes down or I want to add new node to it, I can quickly remove/add it out of the A record and the domains using mx1 and mx2 in the MX record won't need to make any changes to it.
Also acting as a simple load balancing setup via round robin
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