网络通讯PBNI对SMTP服务发送接受邮件，对Powerbuilder十分有用，欢迎下载-PBNI of network communication services sending SMTP to accept mail for Powerbuilder very useful, and welcome to download

C语言 smtp简单邮箱传输协议，同时支持SSL协议的C++源码开发。-C-smtp Simple Mail Transfer Protocol, the SSL protocol supports the C++ source code development.