pavel_lishin parent
Ah, the old "Be liberal in what you send out, be conservative in what you receive" approach.
If you want to waste money on resolving 6 month out of date vacation replies than be my guest.
I'd rather have the mail admin spend a moment or two putting in a rule that ignores autoreplies
e.g. in another response someone linked https://github.com/jpmckinney/multi_mail/wiki/Detecting-auto...
It's been resolved for many years.