We basically need a feature similar to this:
http://windowsitpro.com/outlook/outlook-preventing-out-office-responses-mailing-lists
or this:
We have some users with a OOO message set that are members of a distribution list, and we don't want their OOO replies going to the entire list. Is this possible? And if yes, how can we it be done?
Best Answer
As per Gmail Help:
(Emphasis by me.)