diff --git a/.mypy-baseline.txt b/.mypy-baseline.txt
index c2978e4c5..debe3e12b 100644
--- a/.mypy-baseline.txt
+++ b/.mypy-baseline.txt
@@ -2192,34 +2192,34 @@ src/paperless_mail/tests/test_mail.py:0: error: "MailMessage" has no attribute "
 src/paperless_mail/tests/test_mail.py:0: error: "MailMessage" has no attribute "flagged"  [attr-defined]
 src/paperless_mail/tests/test_mail.py:0: error: "MailMessage" has no attribute "seen"  [attr-defined]
 src/paperless_mail/tests/test_mail.py:0: error: "MailMessage" has no attribute "seen"  [attr-defined]
-src/paperless_mail/tests/test_mail.py:0: error: "type[att@480]" has no attribute "filename"  [attr-defined]
-src/paperless_mail/tests/test_mail.py:0: error: "type[message2@426]" has no attribute "from_"  [attr-defined]
-src/paperless_mail/tests/test_mail.py:0: error: "type[message2@426]" has no attribute "from_"  [attr-defined]
-src/paperless_mail/tests/test_mail.py:0: error: "type[message2@426]" has no attribute "from_values"  [attr-defined]
-src/paperless_mail/tests/test_mail.py:0: error: "type[message@419]" has no attribute "from_"  [attr-defined]
-src/paperless_mail/tests/test_mail.py:0: error: "type[message@419]" has no attribute "from_values"  [attr-defined]
-src/paperless_mail/tests/test_mail.py:0: error: "type[message@478]" has no attribute "subject"  [attr-defined]
-src/paperless_mail/tests/test_mail.py:0: error: "type[message@531]" has no attribute "attachments"  [attr-defined]
+src/paperless_mail/tests/test_mail.py:0: error: "type[att@481]" has no attribute "filename"  [attr-defined]
+src/paperless_mail/tests/test_mail.py:0: error: "type[message2@427]" has no attribute "from_"  [attr-defined]
+src/paperless_mail/tests/test_mail.py:0: error: "type[message2@427]" has no attribute "from_"  [attr-defined]
+src/paperless_mail/tests/test_mail.py:0: error: "type[message2@427]" has no attribute "from_values"  [attr-defined]
+src/paperless_mail/tests/test_mail.py:0: error: "type[message@420]" has no attribute "from_"  [attr-defined]
+src/paperless_mail/tests/test_mail.py:0: error: "type[message@420]" has no attribute "from_values"  [attr-defined]
+src/paperless_mail/tests/test_mail.py:0: error: "type[message@479]" has no attribute "subject"  [attr-defined]
+src/paperless_mail/tests/test_mail.py:0: error: "type[message@532]" has no attribute "attachments"  [attr-defined]
 src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "MailboxFolderSelectError" has incompatible type "None"; expected "tuple[Any, ...]"  [arg-type]
 src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "MailboxFolderSelectError" has incompatible type "None"; expected "tuple[Any, ...]"  [arg-type]
 src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "MailboxLoginError" has incompatible type "str"; expected "tuple[Any, ...]"  [arg-type]
 src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "MailboxLoginError" has incompatible type "str"; expected "tuple[Any, ...]"  [arg-type]
 src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "MailboxLoginError" has incompatible type "str"; expected "tuple[Any, ...]"  [arg-type]
 src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "MailboxLoginError" has incompatible type "str"; expected "tuple[Any, ...]"  [arg-type]
-src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_correspondent" of "MailAccountHandler" has incompatible type "type[message2@426]"; expected "MailMessage"  [arg-type]
-src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_correspondent" of "MailAccountHandler" has incompatible type "type[message2@426]"; expected "MailMessage"  [arg-type]
-src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_correspondent" of "MailAccountHandler" has incompatible type "type[message@419]"; expected "MailMessage"  [arg-type]
-src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_correspondent" of "MailAccountHandler" has incompatible type "type[message@419]"; expected "MailMessage"  [arg-type]
-src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_correspondent" of "MailAccountHandler" has incompatible type "type[message@419]"; expected "MailMessage"  [arg-type]
-src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_correspondent" of "MailAccountHandler" has incompatible type "type[message@419]"; expected "MailMessage"  [arg-type]
-src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_title" of "MailAccountHandler" has incompatible type "type[message@478]"; expected "MailMessage"  [arg-type]
-src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_title" of "MailAccountHandler" has incompatible type "type[message@478]"; expected "MailMessage"  [arg-type]
-src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_title" of "MailAccountHandler" has incompatible type "type[message@478]"; expected "MailMessage"  [arg-type]
+src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_correspondent" of "MailAccountHandler" has incompatible type "type[message2@427]"; expected "MailMessage"  [arg-type]
+src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_correspondent" of "MailAccountHandler" has incompatible type "type[message2@427]"; expected "MailMessage"  [arg-type]
+src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_correspondent" of "MailAccountHandler" has incompatible type "type[message@420]"; expected "MailMessage"  [arg-type]
+src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_correspondent" of "MailAccountHandler" has incompatible type "type[message@420]"; expected "MailMessage"  [arg-type]
+src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_correspondent" of "MailAccountHandler" has incompatible type "type[message@420]"; expected "MailMessage"  [arg-type]
+src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_correspondent" of "MailAccountHandler" has incompatible type "type[message@420]"; expected "MailMessage"  [arg-type]
+src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_title" of "MailAccountHandler" has incompatible type "type[message@479]"; expected "MailMessage"  [arg-type]
+src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_title" of "MailAccountHandler" has incompatible type "type[message@479]"; expected "MailMessage"  [arg-type]
+src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "_get_title" of "MailAccountHandler" has incompatible type "type[message@479]"; expected "MailMessage"  [arg-type]
 src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "filter" has incompatible type "Callable[[Any], bool]"; expected "Callable[[MailMessage], TypeGuard[Never]]"  [arg-type]
 src/paperless_mail/tests/test_mail.py:0: error: Argument 1 to "filter" has incompatible type "Callable[[Any], bool]"; expected "Callable[[MailMessage], TypeGuard[Never]]"  [arg-type]
-src/paperless_mail/tests/test_mail.py:0: error: Argument 2 to "_get_title" of "MailAccountHandler" has incompatible type "type[att@480]"; expected "MailAttachment"  [arg-type]
-src/paperless_mail/tests/test_mail.py:0: error: Argument 2 to "_get_title" of "MailAccountHandler" has incompatible type "type[att@480]"; expected "MailAttachment"  [arg-type]
-src/paperless_mail/tests/test_mail.py:0: error: Argument 2 to "_get_title" of "MailAccountHandler" has incompatible type "type[att@480]"; expected "MailAttachment"  [arg-type]
+src/paperless_mail/tests/test_mail.py:0: error: Argument 2 to "_get_title" of "MailAccountHandler" has incompatible type "type[att@481]"; expected "MailAttachment"  [arg-type]
+src/paperless_mail/tests/test_mail.py:0: error: Argument 2 to "_get_title" of "MailAccountHandler" has incompatible type "type[att@481]"; expected "MailAttachment"  [arg-type]
+src/paperless_mail/tests/test_mail.py:0: error: Argument 2 to "_get_title" of "MailAccountHandler" has incompatible type "type[att@481]"; expected "MailAttachment"  [arg-type]
 src/paperless_mail/tests/test_mail.py:0: error: Argument 2 to "assertIn" of "TestCase" has incompatible type "str | None"; expected "Iterable[Any] | Container[Any]"  [arg-type]
 src/paperless_mail/tests/test_mail.py:0: error: Dict entry 0 has incompatible type "str": "None"; expected "str": "str"  [dict-item]
 src/paperless_mail/tests/test_mail.py:0: error: Dict entry 0 has incompatible type "str": "int"; expected "str": "str"  [dict-item]
diff --git a/src/paperless_mail/tests/test_api.py b/src/paperless_mail/tests/test_api.py
index b5de98b50..ce3668f7a 100644
--- a/src/paperless_mail/tests/test_api.py
+++ b/src/paperless_mail/tests/test_api.py
@@ -272,7 +272,7 @@ class TestAPIMailAccounts(DirectoriesMixin, APITestCase):
         self.assertEqual(response.status_code, status.HTTP_200_OK)
         self.assertEqual(response.data["success"], True)
 
-    def test_mail_account_test_existing_nonexistent_id_forbidden(self):
+    def test_mail_account_test_existing_nonexistent_id_forbidden(self) -> None:
         response = self.client.post(
             f"{self.ENDPOINT}test/",
             json.dumps(
diff --git a/src/paperless_mail/tests/test_mail.py b/src/paperless_mail/tests/test_mail.py
index fe45adbfd..b37d09ed4 100644
--- a/src/paperless_mail/tests/test_mail.py
+++ b/src/paperless_mail/tests/test_mail.py
@@ -1855,7 +1855,7 @@ class TestMailAccountTestView(APITestCase):
             expected_str = "Unable to refresh oauth token"
             self.assertIn(expected_str, error_str)
 
-    def test_mail_account_test_view_existing_forbidden_for_other_owner(self):
+    def test_mail_account_test_view_existing_forbidden_for_other_owner(self) -> None:
         other_user = User.objects.create_user(
             username="otheruser",
             password="testpassword",
@@ -1884,7 +1884,9 @@ class TestMailAccountTestView(APITestCase):
         self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
         self.assertEqual(response.content.decode(), "Insufficient permissions")
 
-    def test_mail_account_test_view_requires_add_permission_without_account_id(self):
+    def test_mail_account_test_view_requires_add_permission_without_account_id(
+        self,
+    ) -> None:
         self.user.user_permissions.remove(
             *Permission.objects.filter(codename__in=["add_mailaccount"]),
         )