总算搞清楚究竟发邮件需要什么核心代码了

MailMessage myMessage = new MailMessage();
myMessage.Subject = "XXX";
myMessage.Body = "XXX";
myMessage.From = new MailAddress("[e-mail]");
myMessage.To.Add(new MailAddress("[e-mail]"));
SmtpClient mySmtpClient = new SmtpClient();
mySmtpClient.Send(myMessage);