[Mimedefang] backup MX server & checking for valid users

[alan premselaar]

On 5/14/03 1:01 PM, "Kenneth Porter" <shiva at sewingwitch.com> wrote:

> --On Wednesday, May 14, 2003 12:10 PM +0900 alan premselaar <alien at 12inch.com>
> wrote:
> 
>> on my LAN I've got an Exchange server
>> on the DMZ I have my primary MX server which does LDAP lookups to the active
>> directory to reject uknown users at SMTP negotiation time. (so that way my
>> postmaster mail doesn't get slammed with a bunch of "can't deliver to this
>> non-existant email address" emails because of all the bunk virus/spam mails.
> 
> Cool! How'd you do that? Is a HOWTO available? I'm looking at setting up a
> sendmail front-end for Exchange and it would be nice to have that.

Someone from the list helped me out. I don't have a HOWTO on it, but if you
contact me off list when you're starting to get into it, i'll help in any
way i can.

alan