Spam, Junk-mail and UCE are defined as: the sending of the same, or substantially similar, unsolicited electronic mail messages, whether commercial or not, to more than one recipient.

• 垃圾邮件，垃圾邮件和的UCE的定义是：派遣相同，或实质上类似的，不请自来的电子邮件，无论是商业或没有，到一个以上的收件人。