In my /etc/alias file I have a number of includes which I use to create
distribution lists, e.g.
parts-group: :include:/etc/alias.d/parts-group
I also have routers that manage vacation message, including not replying to
bulk mails.
I'm looking for the best suggestions on how I can add a Precedence header when
the recipient is to one of these groups.
Specifically, if the email is sent to a group and an individual, I would like
it adding to the email received by the group, but not added to the one to the
individual
