My company is going to change the domain to a new domain. And I tested by creating a new domain as alias domain. Everything is ok for sending or receiving in internal.
But i have the following issue: I have a Zimbra system in multi Installation with one Zimbra MTA. I want to receive mail from external into the new domain (I had a MX record for the new domain) via Zimbra MTA. Please give me an advice about adjusting on Zimbra MTA to understand my new alias domain. My mean is mails from external domain can send mail to the new domain directly.