asp.net 邮件类

 using System;
using System.Collections.Generic;
using System.Text;
using System.Net.Mail;
using System.Configuration;

namespace Com.Common
{
    public static class MailHandler
    {

 

        /// <summary>
        /// 邮件发送者帐号
        /// </summary>
        private static string MailSendAccount
        {
            get { return ConfigurationManager.AppSettings["mailsendaccount"].ToString(); }
        }
        /// <summary>
        /// 邮件发送者名称
        /// </summary>
        private static string MailSendName
        {
            get { return ConfigurationManager.AppSettings["mailsendname"].ToString(); }
        }

        /// <summary>
        /// 邮件服务器
        /// </summary>
        private static string MailServerHost
        {
            get { return ConfigurationManager.AppSettings["mailserverhost"].ToString(); }
        }
        /// <summary>
        /// 帐号
        /// </summary>
        private static string MailServerAccount
        {
            get { return ConfigurationManager.AppSettings["mailserveraccount"].ToString(); }
        }

        /// <summary>
        /// 密码
        /// </summary>
        private static string MailServerPwd
        {
            get { return ConfigurationManager.AppSettings["mailserverpwd"].ToString(); }
        }

        /// <summary>
        /// 发送邮件
        /// </summary>
        /// <param name="MailTo"></param>
        /// <param name="Mailtitle"></param>
        /// <param name="MailCon"></param>
        /// <returns></returns>
        public static string MailSend(string MailTo, string Mailtitle, string MailCon)
        {
            MailMessage MyMail = new MailMessage();

            MyMail.From = new MailAddress(MailSendAccount, MailSendName); //发件人
            MyMail.To.Add(new MailAddress(MailTo)); //收件人

            MyMail.Subject = Mailtitle; //标题
            MyMail.Body = MailCon; //内容

            MyMail.IsBodyHtml = true; //指定邮件格式,支持HTML格式
            //System.Text.Encoding.GetEncoding("gb2312");
            MyMail.SubjectEncoding = System.Text.Encoding.Default;
            MyMail.BodyEncoding = System.Text.Encoding.Default; //邮件内容采用的编码
            MyMail.Priority = MailPriority.High;//设置邮件的优先级为高

            SmtpClient smtpclient = new SmtpClient();
            smtpclient.DeliveryMethod = SmtpDeliveryMethod.Network;
            smtpclient.Host = MailServerHost;
            smtpclient.Credentials = new System.Net.NetworkCredential(MailServerAccount, MailServerPwd);
            try
            {
                smtpclient.Send(MyMail);
                return "1,发送成功";
            }
            catch (Exception ex)
            {
                return "-1," + ex.ToString();
            }
            finally
            {
                smtpclient = null;
                MyMail.Dispose();
            }
        }
    }
}