diff --git a/src/vaultwarden/clients/bitwarden.py b/src/vaultwarden/clients/bitwarden.py
index d6b8c99..3650b11 100644
--- a/src/vaultwarden/clients/bitwarden.py
+++ b/src/vaultwarden/clients/bitwarden.py
@@ -21,9 +21,7 @@ def __init__(
         timeout: int = 30,
     ):
         # if one of the parameters is None, raise an exception
-        if not all(
-            [url, email, password, client_id, client_secret, device_id]
-        ):
+        if not all([url, password, client_id, client_secret, device_id]):
             raise BitwardenError("All parameters are required")
         self.email = email
         self.password = password
@@ -96,6 +94,18 @@ def _set_connect_token(self):
             "identity/connect/token", headers=headers, data=payload
         )
         self._connect_token = ConnectToken.model_validate_json(resp.text)
+
+        if self.email is None:
+            headers = {
+                "Authorization": f"Bearer {self._connect_token.access_token}",
+                "content-type": "application/json; charset=utf-8",
+                "Accept": "*/*",
+            }
+            resp = self._http_client.get(
+                "api/accounts/profile", headers=headers
+            )
+            self.email = resp.json()["email"]
+
         import vaultwarden.models.bitwarden
 
         self._connect_token.master_key = make_master_key(
diff --git a/tests/e2e/test_bitwarden.py b/tests/e2e/test_bitwarden.py
index ff59ad5..2a566a0 100644
--- a/tests/e2e/test_bitwarden.py
+++ b/tests/e2e/test_bitwarden.py
@@ -11,17 +11,32 @@
 client_id = os.environ.get("BITWARDEN_CLIENT_ID", None)
 client_secret = os.environ.get("BITWARDEN_CLIENT_SECRET", None)
 device_id = os.environ.get("BITWARDEN_DEVICE_ID", None)
-bitwarden = BitwardenAPIClient(
-    url, email, password, client_id, client_secret, device_id
-)
 
 # Get test organization id from environment variables
 test_organization = os.environ.get("BITWARDEN_TEST_ORGANIZATION", None)
 
+client_with_mail = BitwardenAPIClient(
+    url,
+    email,
+    password,
+    client_id,
+    client_secret,
+    device_id,
+)
+
+client_without_mail = BitwardenAPIClient(
+    url,
+    None,
+    password,
+    client_id,
+    client_secret,
+    device_id,
+)
+
 
-class BitwardenBasic(unittest.TestCase):
-    def setUp(self) -> None:
-        self.organization = get_organization(bitwarden, test_organization)
+class BitwardenBaseTests:
+    def setup_base(self):
+        self.organization = get_organization(self.bitwarden, test_organization)
         self.test_colls_names = self.organization.collections(as_dict=True)
         self.test_colls_ids = self.organization.collections()
         self.test_users = self.organization.users()
@@ -128,5 +143,17 @@ def test_deduplicate(self):
         return
 
 
+class BitwardenWithEmailTests(unittest.TestCase, BitwardenBaseTests):
+    def setUp(self):
+        self.bitwarden = client_with_mail
+        self.setup_base()
+
+
+class BitwardenWithoutEmailTests(unittest.TestCase, BitwardenBaseTests):
+    def setUp(self):
+        self.bitwarden = client_without_mail
+        self.setup_base()
+
+
 if __name__ == "__main__":
     unittest.main()