Running 2 mail servers in same domain.

  • From: "Hirantha Wijayawardena" <hirantha@xxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Fri, 19 Mar 2004 09:37:00 +0600

Dear experts!
 
I have to setup the demonstration mail server - exchange 2k3 to a company 
(their look forward to migrating exchange 5.5 to exchange 2k3). This has to be 
done with run both servers in parallel (exchange 5.5 & exchange 2k3) not affect 
to the existing users in exchange 5.5.
 
Exchange 5.5 server --> ex55.abc.com
Exchange 2k3 server --> e2k3.abc.com
 
I setup the DNS server -
 
abc.com.           MX      10          ex55.abc.com.
abc.com.           MX      15          e2k3.abc.com
xyz.com.           MX      20          mail.xyz.com.
 
$ORIGIN abc.com.
ex55                 A          192.168.100.1
e2K3                 A          192.168.100.2
 
 
My question is -
 
If I create a user (john@xxxxxxx) in e2k3.abc.com server, will get mails from 
the internet to john@xxxxxxx?
The user JOHN not exists in the ex55.abc.com server.
 
If possible can some one explain how a mail from internet finds the user in 
ex2k3.abc.com.
 
Thanks in advance
 
- Hirantha
 
 
 
 
 

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