1、这是用C++写SMTP协议,直接可以用户二次开发使用 2、来源于人民大学出版的网络通讯二次开发一书 3、该原程序功能强大，可以一次发无数多个小附件，速度和通用的EMAIL差不多 1, it is C++ Write SMTP protocol, users can directly use the secondary development of 2, from the People s University, published in the secondary development of network communication of a book 3, the original program features powerful, can be a hair more than the numerous small Annex, speed, and almost universal EMAIL-1, it is C++ Write SMTP protocol, users can directly use the secondary development of 2, from the People s University, published in the secondary development of network communication of a book 3, the original program features powerful, can be a hair more than the numerous small Annex, speed, and almost universal EMAIL