Sent_en: 2zh Due to legislative requirements, as well as having consent, businesses will have to provide details about the company sending the item, and provide a free way to unsubscribe from future mailings.
Sent_yy: 由于立法要求，以及必须事先得到许可的要求，公司必须提供有关其发送邮件的详细信息，并提供免费退订未来邮件的方法。