Yes, it is fine.
In fact, that is Microsoft's recommendation. The only reason they implemented
the capability of putting them elsewhere because of user demands.
From: Alexander Rose [mailto:arose...@gmail.com]
Sent: Saturday, February 23, 2013 6:57 AM
To: MS-Exchange Admin Issues
Subject:
I’m using DMARC for my personal domains as of about four days ago. One of the
domains in particular has been spoofed a lot over the last few years judging
from the insane amount of backscatter that bounces back at my catch-all
address. I’m hoping that as DMARC is adopted by more providers that
