Overriding MX records to internal gateways
kcd at chrysler.com
Fri May 2 19:56:07 UTC 2008
Pedro Espinoza wrote:
> is it possible with BIND to replace authoritative MX records with
> internal gateways, so that the MTA can route the email to internal
> gateways? Of course, sendmail/postfix provides a solution to do that.
> But I am looking at DNS level, as follows:
> ;; QUESTION SECTION:
> ;gmail.com. IN MX
> ;; ANSWER SECTION:
> gmail.com. 870 IN MX 10 localrelay1.example.com.
> gmail.com. 870 IN MX 50 localrelay2.example.com
You'd have to have a "private" version of the whole gmail.com zone.
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