Separating "From" domain from delivery domains


New Member
We're planning setup our smtp server called

How do we set it up so that we use our own "From Domain"? Example using as our From, but using as our sending server? Like making our DS an ESP.

FromName via

Forcing it in the From Email in the DS settings doesn't work, fails the SPF and doesn't separate it. Pretty sure there is a specific term for it which I'm clueless about.