From 502affbe66eafb6a8eba4f8d36ab8fef94e5eeb7 Mon Sep 17 00:00:00 2001 From: Florent Daigniere Date: Sun, 3 Oct 2021 10:14:49 +0200 Subject: [PATCH] Use the regexp engine since we have one --- core/postfix/conf/outclean_header_filter.cf | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/core/postfix/conf/outclean_header_filter.cf b/core/postfix/conf/outclean_header_filter.cf index 35b90ff5..9c880843 100644 --- a/core/postfix/conf/outclean_header_filter.cf +++ b/core/postfix/conf/outclean_header_filter.cf @@ -1,14 +1,8 @@ # This configuration was copied from Mailinabox. The original version is available at: # https://raw.githubusercontent.com/mail-in-a-box/mailinabox/master/conf/postfix_outgoing_mail_header_filters -/^\s*Received:[^\n]*/ IGNORE - -# Remove other typically private information. -/^\s*User-Agent:/ IGNORE -/^\s*X-Enigmail:/ IGNORE -/^\s*X-Mailer:/ IGNORE -/^\s*X-Originating-IP:/ IGNORE -/^\s*X-Pgp-Agent:/ IGNORE +# Remove typically private information. +/^\s*(Received|User-Agent|X-(Enigmail|Mailer|Originating-IP|Pgp-Agent)):/ IGNORE # The Mime-Version header can leak the user agent too, e.g. in Mime-Version: 1.0 (Mac OS X Mail 8.1 \(2010.6\)). /^\s*(Mime-Version:\s*[0-9\.]+)\s.+/ REPLACE $1