1 files changed, 9 insertions, 3 deletions

diff --git a/src/mailman/rules/approved.py b/src/mailman/rules/approved.py
index 1f4fc1369..3ff7d21ec 100644
--- a/src/mailman/rules/approved.py
+++ b/src/mailman/rules/approved.py
@@ -28,9 +28,9 @@ __all__ = [
 import re
 
 from email.iterators import typed_subpart_iterator
-from flufl.password import verify
 from zope.interface import implementer
 
+from mailman.config import config
 from mailman.core.i18n import _
 from mailman.interfaces.rules import IRule
 
@@ -119,8 +119,14 @@ class Approved:
         else:
             for header in HEADERS:
                 del msg[header]
-        return (password is not missing and
-                verify(mlist.moderator_password, password))
+        if password is missing:
+            return False
+        is_valid, new_hash = config.password_context.verify(
+            mlist.moderator_password, password)
+        if is_valid and new_hash:
+            # Hash algorithm migration.
+            mlist.moderator_password = new_hash
+        return is_valid