Thanks a lot ShaneMasquerade Query is suitable for my problem because it rewrites the sender and recipient but Domain Mapping and Alias Tables are just for changing recipients.

My big problem is Can i change sender's domain ?

Hi,Thanks for your Solution.I want to give a outside company a credentials that they can send email from our domain to another domains (like gmail) and I don't want to give them our domain credentials.We have Exchange server 2016 and ESA (currently i...