1 files changed, 9 insertions, 1 deletions
diff --git a/src/mailman/styles/base.py b/src/mailman/styles/base.py
index 7226d762a..07f6f57dc 100644
--- a/src/mailman/styles/base.py
+++ b/src/mailman/styles/base.py
@@ -32,7 +32,8 @@ from mailman.interfaces.autorespond import ResponseAction
 from mailman.interfaces.bounce import UnrecognizedBounceDisposition
 from mailman.interfaces.digests import DigestFrequency
 from mailman.interfaces.mailinglist import (
-    Personalization, ReplyToMunging, SubscriptionPolicy)
+    DMARCModerationAction, FromIsList, Personalization, ReplyToMunging,
+    SubscriptionPolicy)
 from mailman.interfaces.nntp import NewsgroupModeration
 
 
@@ -85,6 +86,13 @@ class BasicOperation:
         mlist.digest_send_periodic = True
         mlist.digest_volume_frequency = DigestFrequency.monthly
         mlist.next_digest_number = 1
+        # DMARC
+        mlist.dmarc_moderation_action = DMARCModerationAction.none
+        mlist.dmarc_quarantine_moderation_action = True
+        mlist.dmarc_none_moderation_action = False
+        mlist.dmarc_moderation_notice = ''
+        mlist.dmarc_wrapped_message_text = ''
+        mlist.from_is_list = FromIsList.none
         # NNTP gateway
         mlist.nntp_host = ''
         mlist.linked_newsgroup = ''