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Exchange domain help

xtrial asked
Last Modified: 2010-04-18

I have a domain in windows 2003 named "abc.com" which has a AD and DNS
itself inside my company,all the users are logging to this domain,but
my email and wesite is as "xyz.com" which is outside our network.Now we
are planning to install a new server with exhange 2003 inside our
network,can anybody tell what is the best way to install exchange.
I planned to install the exchange as member server of the domain
abc.com as mail.abc.com but when i told my ISP to route the mx record
to my mail server inside the company ,they told that our server
configuration is not correct. ie, our server has to be mail.xyz.com or
name.xyz.com not mail.abc.com but if our exchange has to be
mail.xyz.com what should i do.Or is there any alternative way to set up
a mail server with our existing network configuration or is my ISP

Did i confused....?
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Thanks ver much cole,
I forgot to mention another thing,that "abc.com" is already a registered domain in the net by somebody else,so my ISP told me that if they point my MX record to my server IP and host name as "abc.com" it will not resolve.Also i  have configured the connector and virtual server as my mail connector itself .ie as @xyz.com,also the xyz.com is working internally,when i told my ISP to point to my server,they told me like this.
Also how OWA will work from outside,do i have to type abc.com/exchange or xyz.com/exchage.

Thanks in advance.

youll use xyz.com/exchange for your OWA.



Also i gave ISP the IP to be used for exchange but he is asking me wht is the host name wht shall i say regarding this,this made me confused.is host name is the name of the mail server inside our company or MAILSERVERNAME.xyz.com

The host name you give him will be mailserver.xyz.com or mail.xyz.com or webmail.xyz.com etc.  This will point to the public (static!!) IP address on your firewall, which will port forward to your mail server.  It does not matter that the internal AD DNS name is different from the external public DNS name.



so i was absolutly correct in this,this ISP made me confused,thanks for the info ,i really appreciate everybody.

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