Index: asadb/util/mailinglist.py
===================================================================
--- asadb/util/mailinglist.py	(revision ac9b167bcf85a9f723e27967649c2c033f2259da)
+++ asadb/util/mailinglist.py	(revision b42118cd6022b94dea9b0fa459a8d5a0dace7f98)
@@ -1,3 +1,5 @@
 import subprocess
+
+import mit
 
 
@@ -15,4 +17,8 @@
 BLANCHE_PATH="/usr/bin/blanche"
 class MoiraList(MailingList):
+    def __init__(self, *args, **kwargs):
+        super(MoiraList, self).__init__(*args, **kwargs)
+        self.ccache = mit.kinit()
+
     def list_members(self, ):
         raise NotImplementedError
@@ -55,4 +61,5 @@
         # changes, and use -al / -dl with a tempfile as appropriate.
 
+        env = dict(KRB5CCNAME=self.ccache.name)
         cmdline = [BLANCHE_PATH, self.name, ]
 
@@ -72,4 +79,5 @@
             stdout=subprocess.PIPE,
             stderr=subprocess.STDOUT,
+            env=env,
         )
         stdout, stderr = res.communicate()