ASP.NET发送邮件（QQ发送）

public void SetEmail()
{
//电子邮件对象
MailMessage mailMessage = new MailMessage();

///发件人(网站管理员)
mailMessage.From = new MailAddress("邮件地址", "图书商城");

//收件人
mailMessage.To.Add(new MailAddress("1邮件地址", "图书商城会员"));

//邮件主题
mailMessage.Subject = "图书商城会员注册验证";

//邮件内容
mailMessage.Body = "33333";

//配置邮件服务器
SmtpClient client = new SmtpClient("smtp.qq.com");

//发件人的邮件用户名和密码
client.Credentials = new System.Net.NetworkCredential("发邮件的用户的名字", "密码");

//发送邮件
client.Send(mailMessage);

}