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 is one example, the examples in this book, written by the black and white network, test data transmission to the 21CN server mail a message, you can add to send the mail list, program automatically send a set number of threads after email, the program is a bit old, can correctly compile, but did not test whether the message can be successfully sent, if not successful, due to setting POP mail, please modify.