Reduce the scope of the try: except

core/admin/mailu/sso/views/base.py

@@ -83,6 +83,9 @@ def proxy(target='webmail'):
     client_ip = flask.request.headers.get('X-Real-IP', flask.request.remote_addr)
     try:
         localpart, desireddomain = email.rsplit('@')
+    except Exception as e:
+        flask.current_app.logger.error('Error creating a new user via proxy for %s from %s: %s' % (email, client_ip, str(e)), e)
+        return flask.abort(500, 'You don\'t exist. Go away! (%s)' % email)
     domain = models.Domain.query.get(desireddomain) or flask.abort(500, 'You don\'t exist. Go away! (domain=%s)' % desireddomain)
     if not domain.max_users == -1 and len(domain.users) >= domain.max_users:
         flask.current_app.logger.warning('Too many users for domain %s' % domain)
@@ -94,6 +97,3 @@ def proxy(target='webmail'):
     user.send_welcome()
     flask.current_app.logger.info(f'Login succeeded by proxy created user: {user} from {client_ip} through {flask.request.remote_addr}.')
     return flask.redirect(app.config['WEB_ADMIN'] if target=='admin' else app.config['WEB_WEBMAIL'])
-    except Exception as e:
-        flask.current_app.logger.error('Error creating a new user via proxy for %s from %s: %s' % (email, client_ip, str(e)), e)
-        return flask.abort(500, 'You don\'t exist. Go away! (%s)' % email)