Exchange message transport & routing has at times been a bit challenging to understand. Whether it was the X400 based Mail Transport Agent (MTA), Open Shortest Path First (OSPF) based routing in Exch...
Updated Aug 23, 2023
Version 9.0
Blog Post
Arindam_Thokder
Microsoft
MicrosoftJoRe_LAG - Yes that's correct, the email would be attributed to your tenant before going to @anotherCompany.com based on the matching certificate domain on Inbound connector and accepted domain. We have explained it here (start at 10:30 min).