Exchange 2003 server must be second domain name configure

I have exchange 2003 server and exchange server configured only one domain name (solution.net).recently my company opened one more company and registered domain for new company(technet.com).
Some of our users must get a mails from both domain name(solution.net and technet.com).
Example :our sales management must be mail address:
sales@solution.net =this domain configured on exchange 2003
sales@technet.com= this domain not yet configured on exchange 2003
Of course question is can i use my exchange server 2003 for both domain name and gets mails from both domain?
How i do or other idea?
apollo-13Asked:
Who is Participating?
 
Chris HInfrastructure ManagerCommented:
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Simon Butler (Sembee)ConsultantCommented:
You can have as many domains as you like.
Just add the domain to the Recipient Policy in ESM.

However each account can only reply as the default address. Therefore if you want to reply as one of the other domains then you will need to configure an additional account with the correct default address.

Simon.
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Chris HInfrastructure ManagerCommented:
In AD Users and Computer, add email addresses for the new domain.  Point the new host record to the mailserver and point the MX record to the host record, and mail should flow.
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apollo-13Author Commented:
Thanks for promt answers.
There is a good guiede which i can use .I do not make a something wrong on our produktive domain.
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apollo-13Author Commented:
oh sorr this a question :
is there a good guiede which i can use?
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apollo-13Author Commented:
do i need to add new domain name for mail on exchange server? only on AD and DNS?
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Chris HInfrastructure ManagerCommented:
The second you add a domain name to an SMTP address for a user in exchange, that domain name is added to the exchange meta data and exchange will route any email to that user.  RUS is strictly for adding a bulk or specific target group of people, making it easier for larger organizations to add to a large scope of users.

You need 3 things here.

You need to find your DNS provider/host and create an A record for that domain and you need to point it to your mail server.  (e. g. mail.mycompany.com)

Then, you need to create an MX record for that domain name. (e. g. MX      mail.mycompany.com      10)

Then, you need to add at least one user with that domain name  (e. g.  Bill@mycompany.com) in active directory users and computers.



To add a new email to a user, open AD users and computer from administrative tools on your exchange server.  Find a user you want to add.  Double click that user and find the email addresses tab.  Add new SMTP address.  Say ok.  Repeat for other users.

IF you have more than say 20 users, I'd follow Simon's suggestion above and create a recipient policy for that domain, so any existing/new users who meet a search criterium will automatically get new email addresses based off their exchange alias.  If all of this is over your head, I would not be fidgeting with an exchange server without professional help.
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Chris HInfrastructure ManagerCommented:
DNS Standards:  RFC 1035
https://www.ietf.org/rfc/rfc1035.txt

MX Record, DNS made eaasy
http://help.dnsmadeeasy.com/managed-dns/records/mx-record/

Configuring Exchange to receive mail for multiple domains1
https://support.microsoft.com/en-us/kb/268838
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apollo-13Author Commented:
Hi choward16980 :OWW ! super comment.

can i find guiede with picture for this
The second you add a domain name to an SMTP address for a user in exchange
?

I think first of all i need to know how this part (The second you add a domain name to an SMTP address for a user in exchange).
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apollo-13Author Commented:
superrrrrrrrr thanks!
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Simon Butler (Sembee)ConsultantCommented:
"The second you add a domain name to an SMTP address for a user in exchange, that domain name is added to the exchange meta data and exchange will route any email to that user.  RUS is strictly for adding a bulk or specific target group of people, making it easier for larger organizations to add to a large scope of users."

Just need to correct that, as it is wrong.
RUS controls what domains Exchange will accept email for. While it is used for email address management as well, if the domain isn't listed in RUS then it will not be accepted by Exchange.
Placing the email address on the account has no affect - otherwise you wouldn't be able to create mail enabled contacts with external addresses.

Simon.
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Chris HInfrastructure ManagerCommented:
When you create an external mail contact, you create the active directory object "contact".  When you create an SMTP email address per user with an exchange alias for an active directory object "user", it auto adds the exchange meta data.  Can you please test and validate before discrediting it?  Not saying you're wrong, I'm right, I was just told by an exchange engineer who spent 20 minutes testing and consoling with his manager and colleagues before coming back on the phone and making that statement.
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Simon Butler (Sembee)ConsultantCommented:
I don't need to test and verify it. I have been working with Exchange for over 13 years and have been an Exchange MVP for 11 years.

I am not discrediting what you have said about the contact behaviour, but about the RUS behaviour.
However...

"The second you add a domain name to an SMTP address for a user in exchange, that domain name is added to the exchange meta data and exchange will route any email to that user"

That is wrong.
Adding an email address to an object does not affect the domain routing within Exchange.
If you create a contact with an external address, then it simply allows the external address to used within Exchange, effectively making an external address available to Exchange objects.

RUS configuration is required for Exchange to accept email for an SMTP domain. Otherwise Exchange has no way of knowing what is an external and an internal domain.

Simon.
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Chris HInfrastructure ManagerCommented:
You are wrong.  I just tested.....

I stand 100% by what I said.  You're going to need some evidence to refute it now.
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