[Exim] noatime and exim3

Hi all,

I am thinking of setting noatime in the mount settings for our spool but
want to make sure no production/features are affected. I've done some search
and found a new posts that recommend to this set feature and it should be OK
with exim but no definite answers. Has anyone had any good
experiences/problems with noatime and exim3

Thanks

Paul