1 files changed, 9 insertions, 0 deletions

diff --git a/src/mailman/utilities/importer.py b/src/mailman/utilities/importer.py
index 26b7261e3..99531194f 100644
--- a/src/mailman/utilities/importer.py
+++ b/src/mailman/utilities/importer.py
@@ -128,6 +128,12 @@ def nonmember_action_mapping(value):
         }[value]
 
 
+def int_to_bool(value):
+    if value:
+        return True
+    else:
+        return False
+
 
 def check_language_code(code):
     if code is None:
@@ -172,6 +178,9 @@ TYPES = dict(
     personalize=Personalization,
     preferred_language=check_language_code,
     reply_goes_to_list=ReplyToMunging,
+    allow_list_posts=int_to_bool,
+    include_rfc2369_headers=int_to_bool,
+    nntp_prefix_subject_too=int_to_bool,
     )