On Wed, 16 Oct 2013 15:41:04 -0400 "Kevin A. McGrail" <kmcgr...@pccc.com> wrote:
> So in the beginning for our issue, our firm implemented something > similar and it's documented at http://www.pccc.com/downloads/ldap/ > thanks primarily to Brian Landers <br...@packetslave.com> and his > work. This is a nice solution that uses LDAP and queries it to build > an access list with sendmail. We use MIMEDefang and we make real-time LDAP calls in filter_recipient. So when a modification to Active Directory is made, it's instant... no need to wait for the data to be updated on the Sendmail server. The downside is that you can get a *lot* of LDAP traffic if there's a dictionary attack. Regards, David.
