.net 发送邮件

代码如下：

 /// <summary>
 /// 发送邮件
 /// </summary>
 /// <param name="to">收件人邮件地址</param>
 /// <param name="from">发件人邮件地址</param>
 /// <param name="subject">邮件主题</param>
 /// <param name="body">邮件内容</param>
 /// <param name="username">登录smtp主机时用到的用户名,注意是邮件地址'@'以前的部分</param>
 /// <param name="password">登录smtp主机时用到的用户密码</param>
 /// <param name="smtpHost">发送邮件用到的smtp主机</param>
 public static void Send(
 string to, 
 string from, 
 string subject, 
 string body, 
 string userName, 
 string password,
 string smtpHost)
 {
 MailAddress f = new MailAddress(from);
 MailAddress t = new MailAddress(to);
 MailMessage message = new MailMessage(f, t);
 message.Subject = subject;//设置邮件主题
 message.IsBodyHtml = true;//设置邮件正文为html格式
 message.Body = body;//设置邮件内容
 SmtpClient client = new SmtpClient(smtpHost);
 //设置发送邮件身份验证方式
 //注意如果发件人地址是[e-mail]，则用户名是abc而不是[e-mail]
 client.Credentials = new NetworkCredential(userName, password);
 client.Send(message);
 }