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We use our mail servers to trusted relay to Google Apps server and they require to add their MX records to our mail server CentOS 5.3 and I was wondering if someone can provide me the command lines to input or a link to that.
you just go to your DNS registrar, whoever / whatever / wherever they may be and add those records. This is NOT a change to your mail server, but to your DNS records. Without knowing how your DNS works, we can't posisbly tell you what changes to make as there are SO many ways to provide public DNS records.
If you control your own DNS, why do you need instructions?? you'd just add an entry to the right zonefile. I'ts pretty trivial for anyone runnign their own name servers. And given that you've entered "mail1.domain.com" I presume that is a mail server, not a dns server? have a google for "mx record bind" and you'll get loads of results.
Last edited by acid_kewpie; 12-11-2012 at 04:46 PM.
right so I open the appropriate zone file, probably under /var/named/ and add an MX entry as per the google example, or an example like this... http://www.zytrax.com/books/dns/ch8/mx.html many many others out there.