MS Gateway for Exchange 2013 - Any LDAP documentation?

Michael Huntley michael at
Thu Aug 13 02:21:49 UTC 2015

I use to get a list of acceptable recipients.  I just run 
it every hour and let the smtp server check the list.


Michael Huntley

On 8/11/2015 1:50 PM, Antony Stone wrote:
> On Tuesday 11 August 2015 at 22:40:51, Jerry Benton wrote:
>> I am sure it can be done with sendmail. I am also sure Exchange 2013 has
>> this setting. I have not spun up Exchange 2013 in the lab yet, so I can’t
>> give you exact instructions.
> I'm absolutely no expert on MS Exchange, but is it possible that
> at
> least points you in the right direction?
> Antony.
>>> On Aug 11, 2015, at 4:33 PM, Tracy Greggs wrote:
>>> Thanks for the info Jerry.  My installation is with Sendmail and not
>>> postfix.  Your video is great but it is for Exchange 2010.  The Exchange
>>> 2013 Admin Center does not have the applicable section to reject
>>> messages to users that do not exist.
>>> Maybe my head is in the wrong place.
>>> Does anyone on this list have a Mailscanner/Sendmail gateway in
>>> production use with Exchange 2013?  If so, how are you doing recipient
>>> verification from the MS gateway?
>>> It’s not that I am 100% unwilling to go the postfix route, but I have
>>> been using Sendmail for 20 years and hate to change now.  It has always
>>> just worked flawlessly even in the MS gateway configuration with
>>> Exchange 2010 and milter-ahead to perform the call ahead.
>>> The quick fix for me is to use Exchange 2010 for this installation but I
>>> would like to be able to get this working.
>>> Again, maybe my head is in my arse!
>>> Thanks,
>>> Tracy Greggs

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