On 2011-06-01 Shawn Heisey wrote:
> On 6/1/2011 12:57 PM, Ansgar Wiechers wrote:
>> I'm aware of two ways to verify recipients when relaying mail to
>> upstream Exchange servers:
>> 
>> - Export recipient addresses from AD and use that list as
>>   $relay_recipient_maps.
>> - Use an LDAP query in $relay_recipient_maps.
>> 
>> I seem to recall that there was a third option where Postfix would
>> probe the nexthop before accepting the mail, but was unable to find
>> it in the list archive. Can someone refresh my memory? Or did I mis-
>> remember that?
> 
> I do the first option by running a script on the exchange server every
> 15 minutes, then grabbing the result five minutes later from the mail
> relays.  It does some sanity checks before replacing relay_recipients
> and postmapping it.
> 
> The Windows side (Exchange 2010 on 2008R2) of the process consists of
> VBScript to grab the info from AD, which then runs a perl script to
> clean up the file.

What for? You can easily do all the cleaning with VBScript.

Regards
Ansgar Wiechers
-- 
"Abstractions save us time working, but they don't save us time learning."
--Joel Spolsky

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