Multiple SBS server sharing single Exchange domain mail!

We have a scenario with 3 MS SBS servers. They all collect mail under
the same domain name. Each server has a pop3 mail box setup with the
users alias's pointing at the relevant box.

Each server is setup to control it's own subdomain. When a user send
an email from one site to another is works fine. The problem arises
when a user sends an email to all of the users in the domain. Some are
found locally and delivered ok, some are then sent to the second site
and third site. This is causing replication and NDR,(approx 20,000 in
fact).

Mark
Tue Sep 02 13:01:18 CDT 2003

subdomains????? 3 SBS boxes?!?!?! sorry, but this has HACK written all over
it. You really need to set this up properly!

--
Sincerely,
Mark Mancini, CCA, CCNA, Master CIW&CI, CNE 4&5, MCSE+I 4&2000
www.MCSE2000.com
www.AppLauncher.com



"Philip Squires" <philipsquires@hotmail.com> wrote in message
news:3905d203.0309020703.2fe982e9@posting.google.com...
> We have a scenario with 3 MS SBS servers. They all collect mail under
> the same domain name. Each server has a pop3 mail box setup with the
> users alias's pointing at the relevant box.
>
> Each server is setup to control it's own subdomain. When a user send
> an email from one site to another is works fine. The problem arises
> when a user sends an email to all of the users in the domain. Some are
> found locally and delivered ok, some are then sent to the second site
> and third site. This is causing replication and NDR,(approx 20,000 in
> fact).

philipsquires
Wed Sep 03 09:16:32 CDT 2003

Sorry I forgot to mention that for each server there is a global POP3
box with various aliases for each user pointing to the mailboxes.

Javier
Wed Sep 03 09:41:46 CDT 2003

> For instance if user@domain.com emails another user on the other SBS
> server it gets through fine. If they email two users, one on one of
> the SBS Servers and the other on the Third SBS Server they get an NDR
> from both saying that one of the users can't be found.

By default Exchange does not do this... so did you selected to forward all
unresolved mail to a host? If not, then is there a difference in the domain
for each of the 3 SBS servers (i.e. user@site1.domain.com and
user@site2.domain.com)?

-Javier