[Q] both vacation and procmail - how?

..of course i am leaving for christmas,
and like everyone else i want to set up an autoreply.

i am used too using the vacation program. for the first time i want
to leave procmail running, still using the vacation program.

here is what i have tried:
  1     ackmail.rc      ->error because formail cannot open
  
  2     procmail recipe:
        :0
        | /usr/ucb/vacation     ->executes (logg says), but nothing happens

  3     double .forward
        "|/usr/ucb/vacation && exec /usr/local/bin/procmail -f- || exit 75 #pg"
        -> -nothing-, loop maybe??


my last approach is to pipe to both processes, vacation as well as
procmail. i would like to hear from you how to solve this.

(sorry for asking, but within -today-..)
thank you all,
and merry christmas!
                                           __o    (+47) 8800 1700
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  ---  peter  ------------------------- (_)/'(_) -----------------