Delphi sendmail发邮件实例，是一本书中的例子，由黑白网络编写，测试数据向21CN邮件服务器发送一个邮件，可以添加待发送的邮件列表，设置线程数后程序自动发送email，这个程序有点老，可以正确编译，但未测试邮件是否可以发送成功，若不成功，多由于邮件POP设置问题，请自行修改。

-Delphi sendmail mail instance, is an example of a book, written by a black and white network, the test data 21CN send a message to the mail server, you can add a mailing list to be sent, after setting the number of threads automatically send email, this program is a bit old , you can compile correctly, but if you can send a test message successfully, if successful, multi-issue because the message POP settings, modify themselves.