Postfix Users (and Outlook users)

[Dhawal Doshy]

Ed Bruce wrote:
> Daniel Maher wrote:
>> I cannot stress enough how much adding a recipient map to postfix has 
>> helped.  Right now, we poll our (Microsoft) Global Directory server 
>> once per hour, pull down the entire tree, sanitise the results (there 
>> are lots of non-RFC compliant addresses in there) and build a 
>> recipient map out of it.  This has been the /single greatest step/ 
>> we've taken to reduce the amount of spam our internal Exchange servers 
>> have to deal with: down from half a million per day to around 85,000.
>>   
> 
> What tool do you use to poll your Global Directory?

See http://www.postfix.org/docs.html for MS Exchange Integration.

http://www.umich.edu/~malth/gaptuning/postfix
http://www.unixwiz.net/techtips/postfix-exchange-users.html

The 1st one is more popular.. there is also a script on the mailscanner 
wiki by Peter Russell (IIRC).

- dhawal