Postfix Users (and Outlook users)

[Ed Bruce]

Daniel Maher wrote:
>> -----Original Message-----
>> From: mailscanner-bounces at lists.mailscanner.info [mailto:mailscanner-
>> bounces at lists.mailscanner.info] On Behalf Of Ed Bruce
>> Sent: October 26, 2006 12:36 PM
>> To: MailScanner discussion
>> Subject: Re: Postfix Users (and Outlook users)
>>
>> 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?
>>     
>
> http://www-personal.umich.edu/~malth/gaptuning/postfix/
>
> Of course, you'll need to set the configs for your site, but it works like a charm! :)
>   
Thanks all for the replies. I will look at them and see if I can get one 
to work.