I have set up Mail server(iredmail) on a single server with :

- Linux distribution name and version: Cenot 5.5
- iRedMail version and backend (LDAP/MySQL): iRedMail-0.7.4 with LDAP


Hi I have setup a mailserver using iRedMail with following settings :

hostname of server : mx01.example.com
IP of the server : 68.68.3.XX
first domain name : example.com
virtual domain 1 : people.com
virtual domain 2 : world.com


Please let me know the mx record entry for each domain with A record for public IP.

Will A record point to same public IP 68.68.3.XX or I have to have 3 public IPs?

What will be excat MX record entry for all the three domains ?


In short I want to know what will be MX and A record for all three virtual domains.

The MX records must point to a FQDN (like mx01.example.com).

An A record for the hostname above must exist and point to a valid IP address.

The FQDN/hostname in the MX record does not have to be in the same domain as the mail domain. Also, multiple MX records can point to the same A record.

So no, you don't need more than one single IP and a single A record pointing to it.

The MX record will be the same for all 3 domains

Each domain will have it's own A record and point to the same IP (unless you want a different IP assigned to each domain)

You can check your DNS Records here: DNS Lookup