From c3d55a5719b81c63c76cd118f47cd56b68a2be9d Mon Sep 17 00:00:00 2001
From: "martin f. krafft" <madduck@madduck.net>
Date: Mon, 31 Aug 2009 10:42:43 +0200
Subject: [PATCH] improve sender parsing

---
 procmail/defines | 27 +++++++++++++++++++++------
 procmail/logging |  1 +
 2 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/procmail/defines b/procmail/defines
index e10d302..32a6e8f 100644
--- a/procmail/defines
+++ b/procmail/defines
@@ -117,20 +117,35 @@ ID="$LOGNAME@$HOSTNAME"
 # message-id
 INCLUDERC=$PMDIR/get-msgid
 
+:0
+*$ ^From:$RE_EXTRACT_HEADER_VALUE
+{ FROM="$MATCH" }
+
 # if $SENDER is undefined or not an email address, get it from the message
 :0
 * !SENDER ?? @
-*$ ^Sender:$RE_EXTRACT_HEADER_VALUE
-{ SENDER="$MATCH" }
+{
+  :0
+  *$ ^Sender:$RE_EXTRACT_HEADER_VALUE
+  { SENDER="$MATCH" }
+
+  :0 E
+  *$ FROM ?? ^\/${RE_NOT_SPACE}+@${RE_NOT_SPACE}+
+  { SENDER="$MATCH" }
+
+  :0 E
+  * FROM ?? ^.+ <\/[^>]+
+  { SENDER="$MATCH" }
+
+  :0 E
+  * FROM ?? ^.+ \(\/[^\)]+
+  { SENDER="$MATCH" }
+}
 
 :0
 *$ ^Date:$RE_EXTRACT_HEADER_VALUE
 { DATE="$MATCH" }
 
-:0
-*$ ^From:$RE_EXTRACT_HEADER_VALUE
-{ FROM="$MATCH" }
-
 :0
 *$ ^Subject:$RE_EXTRACT_HEADER_VALUE
 {
diff --git a/procmail/logging b/procmail/logging
index 7068e4d..67d7712 100644
--- a/procmail/logging
+++ b/procmail/logging
@@ -37,6 +37,7 @@ LOG="msgid:       $MSGID
 logfile:     $THISLOGFILE_REL
 date:        $DATE (@$OURDATE)
 from:        $FROM
+sender:      $SENDER
 original-to: $ORIGINAL_TO
 subject:     $SUBJECT$NL"
 
-- 
2.39.2