I have an on premise Exchange 2013 server that kicks back the following:
This message wasn't delivered to anyone because it's too large. The limit is 9 MB. This message is 31 MB.
I have checked every connector, the user limits, and the transport settings and it still kicks back.
I tried changing some web.config files, but I don't see why when it is Outlook anywhere.
Before I waste $500 calling MS, anyone seen this or have any ideas?