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Thanks so much - that is exactly what I was looking for :-)<br />
<br />
Brian
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Thanks so much - that is exactly what I was looking for :-)

Brian

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Folks - I am hoping someone can tell me if this is possible or not. &nbsp;<br />
<br />
Setup: &nbsp;Windows Server 2008 R2 / Exchange Server 2007 / Active Directory: <b>company.com</b><br />
<br />
I want to be able to host email accounts for a email domain called <b>helpme.com</b> and create users that can authenticate with emailaddress@<b>helpme.com</b> as their username. &nbsp;<br />
<br />
But currently I am only able to authenticate users as emailaddress@<b>company.com</b>. &nbsp;How can I get this server to authenticate users using their emailaddress@<b>helpme.com</b> as the username? &nbsp;<br />
<br />
Basically I envision it working where the main domain <b>company.com</b> is really just there behind the scenes. I would like to have users authenticating through whatever email domain (username@domain.com format) they happen to be apart of.<br />
<br />
I hope that make sense - let me know if you have questions about the way I described this.<br />
<br />
Thanks!<br />
Brian
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Folks - I am hoping someone can tell me if this is possible or not.  

Setup:  Windows Server 2008 R2 / Exchange Server 2007 / Active Directory: company.com

I want to be able to host email accounts for a email domain called helpme.com and create users that can authenticate with emailaddress@helpme.com as their username.  

But currently I am only able to authenticate users as emailaddress@company.com.  How can I get this server to authenticate users using their emailaddress@helpme.com as the username?  

Basically I envision it working where the main domain company.com is really just there behind the scenes. I would like to have users authenticating through whatever email domain (username@domain.com format) they happen to be apart of.

I hope that make sense - let me know if you have questions about the way I described this.

Thanks!
Brian

Exchange 2007 / multiple email domains

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.

Email Servers

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.