mail-ha01 respond # ls -la /var/spool/postfix/virtual/dorijan.de/respond/.dovecot.sieve
-rw-r--r-- 1 postfix postfix 202 Dec 29 14:05 /var/spool/postfix/virtual/dorijan.de/respond/.dovecot.sieve
mail-ha01 respond # cat /var/spool/postfix/virtual/dorijan.de/respond/.dovecot.sieve
require "vacation";
vacation
  # Reply at most once a day to a same sender
  :days 1
  :subject "Out of office reply"
"I'm out of office, please contact Joan Doe instead. \n Best regards. \nJohn Doe.";