LDAP script for Active Directory (also, Wiki)

[Anders Andersson, IT]

> -----Original Message-----
> From: MailScanner mailing list 
> [mailto:MAILSCANNER at JISCMAIL.AC.UK] On Behalf Of Steve Freegard
> Sent: Monday, October 10, 2005 7:01 PM
> To: MAILSCANNER at JISCMAIL.AC.UK
> Subject: Re: LDAP script for Active Directory (also, Wiki)
> 
> Hi Chris,
> 
> On Mon, 2005-10-10 at 09:34 -0700, Chris W. Parker wrote:
> > Hello,
> > 
> > I was just reading through
> > 
> http://wiki.mailscanner.info/doku.php?id=maq:index#using_with_exchange
> > _d omino_etc and to my dismay found out that there is no 
> link to the 
> > appropriate article where Exchange is concerned.
> > 
> > However, on
> > 
> http://wiki.mailscanner.info/doku.php?id=documentation:configuration:m
> > ta :postfix:how_to:reject_non_existent_users#ms_exchange there is a 
> > link to some documentation for Postfix and Exchange that can be 
> > applied to sendmail too.
> > 
> > For anyone out there that is using MailScanner as a gateway with 
> > sendmail in front of Exchange I would be very appreciative of a 
> > working script to query valid user email addresses.
> > 
> 
> If you are using Exchange 2003 - then I can thoroughly 
> recommend milter-ahead instead of directly querying Active Directory.
> 
> This is a call-ahead type milter that you can implement on 
> the gateway which then keeps a cache of the lookups for a 
> configurable number of days.  I prefer this as it's really 
> easy to set-up and has no chance of bogging down your domain 
> controllers or slowing mail delivery if AD is busy etc.
> 
> See 
> http://www.fsl.com/support/Milter-Ahead-Exchange-Settings.pdf 
> for details on setting this up.

One thing I wondered that I didnt understand about Milter-Ahead, what
will happen if the call-ahead fails? I guess that goes for things like
keeping configuration on a mysql as well?

/Anders

> 
> Hope this helps.
> 
> Cheers,
> Steve.
> 
> --
> Steve Freegard
> Fort Systems

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