I need to host a 2nd domain on my Exchange server. Most articles I find discuss how to simply add another domain to the recipient policy area. However, if I understand this properly, only one domain can be the default for a user and all "reply to" information will reflect this domain. My users need to use both domains though. When they send a reply, it should reflect the domain that the mail was sent to. We currently do this using separate POP3 e-mail accounts. Outlook automatically send the reply through the account it came in on and for new messages we can select which account to use in the client. I want the same scenario under Exchange 2003. So a given user might have:
I've read that the only way to do this is to set up separate boxes. Does this mean I'll have to setup another domain in AD and if so, how? My current setup is that I have one AD domain that serves one e-mail domain, abc.com.