From d1f9d0829163a7bd0d05ed978e770b14917889bb Mon Sep 17 00:00:00 2001
From: bwarsaw
Date: Mon, 10 Apr 2000 17:25:03 +0000
Subject: Jim Tittsler reminds me that he posted a bounce detector for Exim,
 which uses the X-Failed-Recipients header.  His implementation was better
 than mine, but I like this one even better because it avoids the lambda (and
 corresponding function call overhead).

---
 Mailman/Bouncers/Exim.py | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

(limited to 'Mailman/Bouncers/Exim.py')

diff --git a/Mailman/Bouncers/Exim.py b/Mailman/Bouncers/Exim.py
index 4568c87f3..5dd955662 100644
--- a/Mailman/Bouncers/Exim.py
+++ b/Mailman/Bouncers/Exim.py
@@ -14,22 +14,16 @@
 # along with this program; if not, write to the Free Software 
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
-"""Parse messages that contain X-Failed-Recipients headers.
-What MTA generates these?
-"""
+"""Parse bounce messages generated by Exim.
 
-import string
+Exim adds an X-Failed-Recipients: header to bounce messages containing
+an `addresslist' of failed addresses.
 
+"""
 
 
 def process(mlist, msg):
-    failures = msg.getallmatchingheaders('x-failed-recipients')
-    if not failures:
-        return None
     addrs = []
-    for failed in failures:
-        i = string.find(failed, ':')
-        if i < 0:
-            continue
-        addrs.append(string.strip(failed[i+1:]))
+    for fullname, addr in msg.getaddrlist('x-failed-recipients'):
+        addrs.append(addr)
     return addrs or None
-- 
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