Hi everyone I have one domain controller behm.local and exchange server, in exchange in accepted domain I write accepted domain behm.az. All users have e-mails *@behm.az I need add new domain azintelecom.az and new users with e-mails *@azintelecom.az if I add new accepted domain azintelecom.az older domain behm.az will work?and will simply create a user exchange?and will mail work?I need both domains will work thank you.

Hello

yes work :)

only need check which smtp address its primary. /email address policy/

Yes, you can create a new accepted domain, as many as you want.

And email will work. Make sure that your new domain's MX record point to the same place as the old, so that they hit your Exchange server.

Hi,

As they said, it will work with multiple accepted domain. If you want to set different primary email address for different users with accepted domains, please make sure the MX record in public DNS is created for each SMTP domain for which you accept email from the Internet. For more information about the accepted domain, please refer to:

https://technet.microsoft.com/en-us/library/aa996314(v=exchg.150).aspx

Regards,