On Sun, May 13, 2007, Peter Thomassen wrote:
> So, how do I configure Exim to only deliver mail locally if the domain is in
> local_domains AND a DNS lookup confirms that our machine is in the MX
> records of the domain in question, hence serving the domain?
Here's something I've been using for a while:
domainlist local_domains = ${if \
and { \
{ match_domain{$domain}{+virtual_domains} } \
{ match{${lookup dnsdb{mx=$domain}{$value}fail}}{\N(?mi)^\d+
ME_REGEXP$\N}} \
}{$domain}{}}
Note that an empty MX record will cause a defer and A records aren't
taken into account at all.
--
Whenever you find that you are on the side of the majority, it is time
to reform.
-- Mark Twain
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