求翻译：This message is not a Commercial Electronic Mail Message as that term is defined under the CAN-SPAM Act of 2003. This message is a Transactional or Relationship Message the primary purpose of which is to facilitate, complete, or confirm a commercial transaction that the recipient has previously agreed to enter into with the sender when the recipient's e-mail was used to join a web site requesting to be a registered subscriber.是什么意思？

待解决 悬赏分：1 - 离问题结束还有