IT果然是互通的，最近某黑客就研究出利用C++BUILDER里面的nmsmtp发送大量垃圾邮件的方法。

#include “idcoder3to4.hpp“

用Base64Encode()函数对用户名和密码编码

NMSMTP1->Host = “smtp.email-cm.com”; //SMTP主机名
NMSMTP1->UserID = “dgyanyong”; //用户名
NMSMTP1->PostMessageA->FromAddress = “dgyanyong@163.com”; //发信人地址
NMSMTP1->PostMessageA->ToAddress->Clear(); //收信人地址清空
NMSMTP1->PostMessageA->ToAddress->Text = “dgyanyong@email-cm.com”; //收信人地址
NMSMTP1->PostMessageA->ToCarbonCopy->Text = “dgyanyong@email-cm.com”; //抄送地址
NMSMTP1->PostMessageA->ToBlindCarbonCopy->Text = “dgyanyong@email-cm.com”; //暗送地址
NMSMTP1->PostMessageA->Subject = “test message”; //邮件标题
NMSMTP1->PostMessageA->Body->Add(“this is a test message!”); //邮件内容
NMSMTP1->PostMessageA->Attachments->Text = “C://qq.doc”; //邮件附件
NMSMTP1->PostMessageA->LocalProgram = “SendMail”;
NMSMTP1->Connect();
if (CheckBox1->Checked == true)
{
AnsiString userName = Base64Encode(“dgyanyong”); //将用户名编码
AnsiString password = Base64Encode(“dgyanyong”); //将密码编码
NMSMTP1->Transaction(“auth login”); //开始验证
NMSMTP1->Transaction(userName);
NMSMTP1->Transaction(password);
}
NMSMTP1->SendMail();
Memo1->Lines->Add(“发送邮件成功”);
NMSMTP1->Disconnect();

上述邮箱、163邮箱的用户名和密码均属虚构，只是做个范例，用户可以根据自己的需要设定，是不是觉得很厉害？