We have 2 mail servers as below.
If I then email the support email to create a incident. The reporter does not align to the clients support email. So we don't know who logged the incident. The reporter looks like the admin user we are using. This does change if we use the client login and create a incident on the portal, we do see the reporter come up correctly, but via email this is not the case. Below is a screen shot of the screen where the reporter is not correct. The item in red came from email and should have the client name from above screen shot as the reporter and not the general admin.