发送邮件的代码

   public void SendEmailMethod()
        {
            try
            {
                //创建邮箱实例对象
                MailMessage mail = new MailMessage();
                string fromaddrss=this.txtFromMail.Text;
                string toaddress=this.txtToMail.Text;
                //创建发送人地址
                MailAddress from = new MailAddress(fromaddrss, "在邮件列表显示的中文名称", System.Text.Encoding.GetEncoding("GB2312"));
                mail.From = from;
                //创建收件人地址
                MailAddress to = new MailAddress(toaddress);
                mail.To.Add(to);
                //设置邮件的标题
                mail.Subject = "中文标题";
                //设置邮件的内容
                mail.Body = this.txtMailContext.Text;
                //设置邮件的格式，可以包含HTML标签和超链接
                mail.IsBodyHtml = true;
                //设置邮件的格式
                mail.BodyEncoding = System.Text.Encoding.GetEncoding("GB2312");
                //设置邮箱的发送级别
                mail.Priority = MailPriority.Normal;
                mail.DeliveryNotificationOptions = DeliveryNotificationOptions.OnSuccess;
                //邮件发送服务器
                SmtpClient client = new SmtpClient();
                client.Host = this.txtSMTP.Text;
                //设置用于stmp事务端口
                client.Port = 25;
                client.UseDefaultCredentials = false;
                //邮箱地址用户和密码
                client.Credentials = new System.Net.NetworkCredential("1826546303", "tlj19931112");//通过网络发送
                client.DeliveryMethod = SmtpDeliveryMethod.Network;
                client.Send(mail);
            }
            catch (Exception ex)
            {
                this.Page.ClientScript.RegisterStartupScript(this.GetType(),"","alert('"+ex.Message+"')",true);
                throw;
            }
            
          
        }