Hi, I have a internal domain wse1, it is not routable, it is just the domain name. We have outside email through red tail technology,a pop account. My clients are using exchange 2010. I setup the exchange account to use wse1, the exchange purpose allow the ability to search everybody mail at one time. Because I pop down the email through the excellent.
When a users sends email through the non host exchange account, they receive message not found.. Outlook has two choices to send from exchange,
In short, when sending email Though outlook, I have a choice to send from the internal domain name which is not routable or the pop account. Who can I fix, this