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I have just installed mail enable on my server.

I need help understanding what is the IP of my mail server and where to point my MX records?

Say if my server IP is 81.222.222.222 is this where I point my MX records etc?

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up vote 1 down vote accepted

To get email working you actually need 2 DNS records.

  1. Create an "A" record that gives a name to the mail server and points to the IP. eg: mail.yourdomain.com. A 81.222.222.222
  2. Create an "MX" record that points to your mail server name. eg: yourdomain.com. MX 10 mail.yourdomain.com.

The 10 in above example is the priority. If you have multiple records, the lower the number, the higher the priority.

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so to be clear...i have an a record for mydomain.com and then an a record for mail.mydomain.com which both point to the same ip? – Beginner Dec 6 '12 at 9:12
    
then i point the mx record at mail.mydomain.com? – Beginner Dec 6 '12 at 9:12
    
A records tell which IP belongs to which name, since you need to point an MX record to a name, you also need to match that name to a IP address. the A record for "yourdomain.com." is not required, however you probably want to point such an address to your http server. – Flash Dec 6 '12 at 9:51

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