PC邮资是美国邮政让用户使用个人计算机通过因特网购买在信封和地址标签上打印邮资的产品的名称。 信息邮戳是新一代的邮资凭据,即用个人计算机打印的数字邮资。信息邮戳打印在信封的右上角表示邮资已付。该信息邮戳包含了大量的邮件信息,其中包括邮资数额、邮资类别(目前还只用于国内一类邮件、优选邮件、快件或包裹,将来还将扩大到特殊邮件和国际邮件)、授权邮局/寄发地邮政编码、设备标识/类型、寄发日期,还包含一个机器可读的表示与邮件处理和安全有关数据的二维条形码。邮件上二维条形码的使用为美国邮政将来能够进一步发 PC postage is the name of the product that the United States Post uses to allow users to purchase postage on envelopes and address labels using the personal computer over the Internet. The information postmark is a new generation of postage voucher, digital postage printed on a personal computer. Information stamps printed in the upper right corner of the envelope indicate postage paid. This information postmark contains a large amount of mail information, including the amount of postage, the type of postage (currently only used for a domestic type of mail, preferred mail, express mail or parcels, and will be extended to special mail and international mail in the future), authorized post office/ The postal code, equipment identification/type, date of dispatch, and a two-dimensional bar code for machine-readable presentation and mail processing and security-related data. The use of two-dimensional bar codes on e-mail can be further developed by U.S. Postal Service in the future