发送电子邮件

    //发送电子邮件的方法
    private void SendEmail(string mailServerName, string from, string password, string to, string subject, string body)
    {
        try
        {

            //编码暂硬性规定为GB2312
            Encoding encoding = Encoding.GetEncoding("GB2312");
            MailMessage Message = new MailMessage(
                    new MailAddress(from, "XX", encoding),//第一个是发信人的地址，第二个参数是发信人
            new MailAddress(to));//收信人邮箱
            Message.SubjectEncoding = encoding;
            Message.Subject = subject;//标题
            Message.BodyEncoding = encoding;
            Message.Body = body; //body
            SmtpClient smtpClient = new SmtpClient(mailServerName);//信箱服务器
            smtpClient.Credentials = new NetworkCredential(from, password);//信箱的用户名和密码
            smtpClient.Timeout = 999999;
            smtpClient.Send(Message);
        }
        catch (FormatException ex)
        {
            Console.WriteLine(ex.Message);
        }
        catch (SmtpException ex)
        {
            Console.WriteLine(ex.Message);
        }
        catch (Exception e)
        {
            throw new Exception(e.Message);
        }
    }