auth: Only check deliverability of emails at registration.

Check only that the email format is correct, but don't bother with the
deliverability check during authentication. The deliverability check is done
at registration.

1 files changed, 2 insertions, 1 deletions

diff --git a/gn3/auth/authentication/oauth2/views.py b/gn3/auth/authentication/oauth2/views.py
index 48a97da..e096002 100644
--- a/gn3/auth/authentication/oauth2/views.py
+++ b/gn3/auth/authentication/oauth2/views.py
@@ -57,7 +57,8 @@ def authorise():
         redirect_response = redirect(url_for("oauth2.auth.authorise",
                                              client_id=client_id))
         try:
-            email = validate_email(form.get("user:email"))
+            email = validate_email(
+                form.get("user:email"), check_deliverability=False)
             user = user_by_email(conn, email["email"])
             if valid_login(conn, user, form.get("user:password", "")):
                 return server.create_authorization_response(request=request, grant_user=user)