using System.Net;
using System.Web.Mail;

    public class SendMail

    {

        /// <summary>

        /// 发送Email

        /// </summary>

        public static void Send(string strTo, string Subject, string Body)

        {

            string smtpserver = "smtp.qq.com";

            string userName = "";

            string pwd = "";

            string nickName = "服务器在线预警系统";

            string strFrom = "";//收件人

            sendMail(smtpserver, userName, pwd, nickName, strFrom, strTo, Subject, Body);

        }

        /// <summary>

        /// 发送电子邮件

        /// </summary>

        /// <param name="smtpserver">SMTP服务器</param>

        /// <param name="userName">登录帐号</param>

        /// <param name="pwd">登录密码</param>

        /// <param name="nickName">发件人昵称</param>

        /// <param name="strFrom">发件人</param>

        /// <param name="strTo">收件人</param>

        /// <param name="Subject">主题</param>

        /// <param name="Body">内容</param>

        public static bool sendMail(string smtpserver, string userName, string pwd, string nickName, string strFrom, string strTo, string Subject, string Body)

        {

            System.Web.Mail.MailMessage mail = new System.Web.Mail.MailMessage();

            try

            {

                pwd = DataEncrypt.Decrypt(pwd, "KYCMS");

                mail.To = strTo;

                mail.From = strFrom;

                mail.Subject = Subject;

                mail.BodyFormat = System.Web.Mail.MailFormat.Html;

                mail.Body = Body;

                mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", "1"); //身份验证

                mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername", mail.From); //邮箱登录账号，这里跟前面的发送账号一样就行

                mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword", pwd); //这个密码要注意：如果是一般账号，要用授权码；企业账号用登录密码

                mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpserverport", 465);//端口

                mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpusessl", "true");//SSL加密

                SmtpMail.SmtpServer = smtpserver;    //企业账号用smtp.exmail.qq.com

                SmtpMail.Send(mail);

                return true;

                //邮件发送成功

            }

            catch (Exception ex)

            {

                //失败，错误信息：ex.Message;

            }

            return false;

        }

    }