Re: [exim] check_srv mx exists

On 21/01/15 22:52, John Schmerold wrote:
> Hmm, is all this to say what I have in mind cannot be done within Exim?

It is possible to check if a domains has an MX or not with Exim - we are
just both saying that it is not wise to use this as a spam indicator as
it is not uncommon behaviour to have a domain without MX RR.

Any DNS record desired can be queried with the dnsdb lookup.

http://www.exim.org/exim-html-current/doc/html/spec_html/ch-file_and_database_lookups.html#SECTdnsdb