[EXIM] How to use dnsdb query lookup

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Author: Rick Ballard
Date:  
To: exim-users
Subject: [EXIM] How to use dnsdb query lookup
I am using exim 3.0 on a linux box.

The company I work for was just bought by another company. At
the moment I am rewriting our old addresses by looking them up in
a file. The new company has set up a dns lookup for the
addresses, so I presume I can use the new style dnsdb query-style
lookup to do this. However, I can only find dnsdb mentioned once
in the manual, and no directions on how to use it.

How do I use the dnsdb query-style lookup in a rewrite rule ?

Here is my current rewrite rule:

#--- replace old addresses with new addresses everywhere
#------ If not found in the lookup table, do not rewrite
*@old.com               ${lookup{lc:$1}dbm{/usr/exim/newaddresses}{$value@???}fail}


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Rick Ballard            Phone    : 902-481-4548
Software Kinetics Ltd.        Fax    : 902-468-3679
Dartmouth,NS,Canada        Email    : Rick.Ballard@???
                Timezone: Atlantic AST(GMT-4)/ADT(GMT-3)


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