1 files changed, 6 insertions, 1 deletions
diff --git a/src/mailman_pgp/model/list.py b/src/mailman_pgp/model/list.py
index c68cb67..13d4430 100644
--- a/src/mailman_pgp/model/list.py
+++ b/src/mailman_pgp/model/list.py
@@ -18,7 +18,8 @@
 """Model for PGP enabled mailing lists."""
 from mailman.database.types import Enum, SAUnicode
 from mailman.interfaces.action import Action
-from mailman.interfaces.listmanager import (IListManager, ListDeletingEvent)
+from mailman.interfaces.listmanager import IListManager, ListDeletingEvent
+from mailman.interfaces.member import MemberRole
 from public import public
 from sqlalchemy import Boolean, Column, Integer
 from sqlalchemy.orm import reconstructor
@@ -27,6 +28,7 @@ from zope.event import classhandler
 
 from mailman_pgp.config import config
 from mailman_pgp.database import transaction
+from mailman_pgp.database.types import EnumFlag
 from mailman_pgp.model.base import Base
 from mailman_pgp.model.fs_key import FSKey
 
@@ -57,6 +59,9 @@ class PGPMailingList(Base):
     # Key related properties
     key_change_workflow = Column(SAUnicode,
                                  default='pgp-key-change-mod-workflow')
+    key_signing_allowed = Column(EnumFlag(MemberRole),
+                                 default={MemberRole.owner,
+                                          MemberRole.moderator})
 
     def __init__(self, mlist):
         """