Exchange Server

David · Guest

Hi,

I need help with the setup of the following domain:
We have one location with one internet connection with one router so we can
only forward port 25 to one server (there will be 3 exchange servers in
total - company policy)

The main domain name will be for example company.com. In that LAN with that
exchange server will be another router that seperates the other 2 exchange
servers. Those will have the domain name education.company.com and
administration.company.com. How do I setup this kind of thing?
Do I need to be responsible for the DNS zone or can I ask my provider to set
the MX record for the 3 domain names to our one public accessable server?

With this setup can all 3 domains send mail to each other without going to
the internet?
I created a simple overview which you can find here (22kB)
http://users.pandora.be/obsession2001/ExchangeSetup.JPG

There is one more thing which doesn't really apply to exchange or AD, but to
networking in general. Assume I have a thousand client pc's. I sure can't
put them in one subnet because of broadcast storms, so I need to put routers
somewhere. What is the max. number of clients you recommend on one subnet? I
was thinking of one subnet per floor (5 floors total ; +- 200
clients/floor).

thanks,

David

Brian Desmond [MVP] · Guest

David-

You can definetely do this. You'll need to do a couple of things to get it
all working:

Create three recipient policies with the three domain names. This tells
Exchange that it should handle email for these domains.

Create two routing groups - one for the company.com vlan, and one for the
vlans behind the second router. You'll need an SMTP connector to connect the
admin & edu vlans up to the company.com one.

--
--Brian Desmond
Windows Server MVP
desmondb@payton.cps.k12.il.us

www.briandesmond.com

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