1 files changed, 2 insertions, 4 deletions

diff --git a/src/mailman_pgp/pgp/wrapper.py b/src/mailman_pgp/pgp/wrapper.py
index f5cc8e1..cbfa7f2 100644
--- a/src/mailman_pgp/pgp/wrapper.py
+++ b/src/mailman_pgp/pgp/wrapper.py
@@ -20,6 +20,7 @@ from public import public
 
 from mailman_pgp.pgp.inline import InlineWrapper
 from mailman_pgp.pgp.mime import MIMEWrapper
+from mailman_pgp.utils.pgp import verifies
 
 
 @public
@@ -108,10 +109,7 @@ class PGPWrapper():
             yield from self.inline.verify(key)
 
     def verifies(self, key):
-        return all(bool(verification) and
-                   all(not sigsubj.signature.is_expired
-                       for sigsubj in verification.good_signatures) for
-                   verification in self.verify(key))
+        return verifies(self.verify(key))
 
     def is_encrypted(self):
         """