Add pending emails to be sent mail.mass_mailing {'invisible': ['|', ('state', 'in', ('done', 'sending')), ('body_html', '=', False)]} {'sending_queue_enabled': True} {'invisible': ['|', ('state', 'not in', ('done', )), ('body_html', '=', False)]} {'sending_queue_enabled': True} {'invisible': [('pending_count', '=', 0)]} 1