multiple domains in exchange

i have recently added another domain to exchange 2003 (recipient policy - new smtp address @abc.com - default is @123.com), assigned users full read and send on behalf of permissions, I can receive for both no problem - but as soon as I try and send an email and in the from field I type the new email address from the new domain it does not reach the recipient, looks like it has been sent, appears in sent items, but does not arrive - i.e so if i leave the from field blank it sends via the default policy smtp address joe@123.com and reaches the recipient fine but as soon as i type in joe@abc.com in the from field it does not reach the recipient. Any ideas anyone?
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purpleoakAsked:
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FearNoMoreCommented:
This is not natively possible in Exchange. By default Exchange can receive for multiple SMTP addresses however can send only using the primary SMTP address
You would need to use a third party solution called choosefrom to accomplish this task.
Read the article below
http://www.ivasoft.biz/choosefrom.shtml
 
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MesthaCommented:
As far as Exchange is concerned, all users only have one address. The default address.
You basically have two options.

1. Additional accounts and the from field.
2. A third party tool.

http://www.amset.info/exchange/twodomainsoneuser.asp

There is also an option which using a dummy POP3 account, but I am not a fan of that method at all.

Simon.
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purpleoakAuthor Commented:
Mestha - additional accounts and user field works well. thank you
the only problem I have now is when client sends from the additional account the sent email is filed in the default mailbox sent items and not the additional accounts sent items. any suggestions?
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FearNoMoreCommented:
Again not possible in Exchange you would need to use a third party to accomplish this
http://www.ivasoft.biz/unisent.shtml
 
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