from odoo import api, models class MailMessage(models.Model): _inherit = 'mail.message' @api.multi def _notify( self, record, msg_vals, force_send=False, send_after_commit=True, model_description=False, mail_auto_delete=True ): if self.env.context.get('message_create_from_mail_mail', False): return return super()._notify( record, msg_vals, force_send=force_send, send_after_commit=send_after_commit, model_description=model_description, mail_auto_delete=mail_auto_delete)