On 6/23/08, Christian Purnomo <[EMAIL PROTECTED]> wrote:

> I have done some testing re option #2 below, it seems that MS Exchange
> 2003 does not 'reject non-existent user' upon probing hence I have to
> cross this out (unless I'm wrong on this).  I tested this by doing a few
> test injections to the Exchange server and all invalid recipients were
> simply accepted by exchange smtp.
>
> Option #1 is feasible, I have done some googling and noticed there 2
> ways to do this, active vs passive where active is to get the exhcnage
> query the AD and passive is where you regularly do a full export of the
> email addresses in AD and feed them into postfix. I'm testing the
> 'active' at present.
>
> Thanks for your input.
>
> CP
>

Passive is typically used so AD does not get hammered. Fortunately you
can (and should) configure Exchange 2003 to reject mail to invalid
users. I have not done this myself, but this might be the way to do
it:
https://support.interjuncture.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=25

-- 
Gary V

-------------------------------------------------------------------------
Check out the new SourceForge.net Marketplace.
It's the best place to buy or sell services for
just about anything Open Source.
http://sourceforge.net/services/buy/index.php
_______________________________________________
AMaViS-user mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/amavis-user
AMaViS-FAQ:http://www.amavis.org/amavis-faq.php3
AMaViS-HowTos:http://www.amavis.org/howto/

Reply via email to