From 7c2bfda12607c2f9364f0a9e6971cc0977393df0 Mon Sep 17 00:00:00 2001
From: Thomas Oettli <spacefreak@noop.ch>
Date: Mon, 25 Apr 2022 14:21:35 +0200
Subject: [PATCH] fix bug in quarantine whitelist

---
 pyquarantine/storage.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyquarantine/storage.py b/pyquarantine/storage.py
index 55268e4..a3b45db 100644
--- a/pyquarantine/storage.py
+++ b/pyquarantine/storage.py
@@ -549,7 +549,7 @@ class Quarantine:
             if not rcpts:
                 # all recipients whitelisted
                 return
-            milter.msginfo["rcpts"] = rcpts
+            milter.msginfo["rcpts"] = rcpts.copy()
 
         if self._milter_action in ["REJECT", "DISCARD"]:
             logger.info(f"quarantine message for {rcpts}")