Thread: MX DNS Records
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Old 8th April 2013, 17:52
mrrow mrrow is offline
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Default MX DNS Records

I would like to know what to put for the MX records of client sites I host.
Environment:
server.com - 123.123.123.123 - This is the address and IP of the physical hardware. It runs the mail server, mail.server.com
client.com - This is the domain name of the client website.

I have a few choices as I see it.
1. Just set the MX record to mail.server.com for every client.
2. Set the MX record to mail.client.com and have an A record pointing mail.client.com -> 123.123.123.123
3. Set the MX record to mail.client.com and have an CNAME record pointing mail.client.com -> mail.server.com

I'm trying to figure out what the best thing to do is from:
1. A maintenance point of view (likely to move servers in the future)
2. Receiving servers point of view (are any of the options less likely to get email from user@client.com bounced / help with reverse DNS lookups)

Thanks in advance.

ISPConfig: 2.2.35
Ubunutu: 2.6.39.4-x1-64
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