Fixhancement: default mail -created correspondent matching to exact (#12414)

src/paperless_mail/mail.py

@@ -472,6 +472,7 @@ class MailAccountHandler(LoggingMixin):
                 name=name,
                 defaults={
                     "match": name,
+                    "matching_algorithm": Correspondent.MATCH_LITERAL,
                 },
             )[0]
         except DatabaseError as e:

src/paperless_mail/tests/test_mail.py

@@ -448,7 +448,7 @@ class TestMail(
         c = handler._get_correspondent(message, rule)
         self.assertIsNotNone(c)
         self.assertEqual(c.name, "someone@somewhere.com")
-        self.assertEqual(c.matching_algorithm, MatchingModel.MATCH_ANY)
+        self.assertEqual(c.matching_algorithm, MatchingModel.MATCH_LITERAL)
         self.assertEqual(c.match, "someone@somewhere.com")
         c = handler._get_correspondent(message2, rule)
         self.assertIsNotNone(c)