diff --git a/nostr/nostr_client.py b/nostr/nostr_client.py
index c51d19d..dbc410e 100644
--- a/nostr/nostr_client.py
+++ b/nostr/nostr_client.py
@@ -152,10 +152,13 @@ class NostrClient:
     def _filters_for_direct_messages(self, public_keys: List[str], since: int) -> List:
         # NIP-17/NIP-59: subscribe to kind 1059 gift wraps addressed to our merchants.
         # With gift wrapping, outgoing messages are self-wrapped (same p-tag filter).
+        #
+        # Do NOT apply `since` here. Per NIP-59, gift wraps use randomized past
+        # timestamps (up to 2 days back) to defeat metadata correlation, so a
+        # `since` derived from the latest DM in our DB will reject fresh wraps
+        # whose randomized created_at is older than that window. Server-side
+        # dedup + the client's is_duplicate_event() guard handle replays.
         gift_wrap_filter: dict = {"kinds": [1059], "#p": public_keys}
-        if since and since != 0:
-            gift_wrap_filter["since"] = since
-
         return [gift_wrap_filter]
 
     def _filters_for_stall_events(self, public_keys: List[str], since: int) -> List: