Basierend auf den [https://blog.plitc.eu/2014/ispconfig-remove-sensitive-information-from-email-headers-with-postfix/ Blogpost] von [[Benutzer:Daniel.plominski|Daniel]] wollte ich meinen Postfix anweisen in Email die sensitive Informationen (Email Client IP usw.) zu bereinigen.
| - || If a key value of - is specified, the program reads key values from the standard input stream and writes one line of key value output for each key that was found.