C#发送邮件

 

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.Net.Mail;
using System.Net.Mime;
namespace BoyanCms.Inc
{
    public class mail
    {
        private  MailMessage message;
        private  SmtpClient smtp;
        private  string password;
        private string smtpserver;
        /// <summary>
        ///
        /// </summary>
        /// <param name="ToMailAddr">收件人地址</param>
        /// <param name="FromMailAddr">发件人地址</param>
        /// <param name="MailBody">邮件内容</param>
        /// <param name="MailSubject">邮件主题</param>
        /// <param name="password">发送密码</param>
        public mail(string ToMailAddr,string FromMailAddr,string MailBody,string MailSubject,string SmtpSrv,string SmtpPassword)
        {
            message = new MailMessage();
            message.To.Add(ToMailAddr);
            message.From = new System.Net.Mail.MailAddress(FromMailAddr);
            message.Subject = MailSubject;
            message.Body = MailBody;
            message.IsBodyHtml = true;
            message.BodyEncoding = System.Text.Encoding.UTF8;
            message.Priority = System.Net.Mail.MailPriority.Normal;//设置邮件发送优先级普通
            smtpserver = SmtpSrv;
            password = SmtpPassword;
        }
        /// <summary>
        /// 添加附件
        /// </summary>
        /// <param name="Path"></param>
        public  void AddAtts(string Path)
        {
            string[] PathArr = Path.Split(',');
            Attachment Data;
            ContentDisposition disposition = null;
            for (int i = 0; i < PathArr.Length; i++)
            {
                Data = new Attachment(PathArr[i], MediaTypeNames.Application.Octet);//实例化附件
                disposition.CreationDate = System.IO.File.GetCreationTime(PathArr[i]);//获取附件的创建日期
                disposition.ReadDate = System.IO.File.GetLastAccessTime(PathArr[i]);///获取附 件的读取日期
                message.Attachments.Add(Data);//添加到附件中
            }
        }
        /// <summary>
        /// 异步发送邮件
        /// </summary>
        /// <param name="CompletedMethod"></param>
        public  void SendAsync(SendCompletedEventHandler CompletedMethod)
        {
            if (message != null)
            {
                smtp = new SmtpClient();
                smtp.Credentials = new System.Net.NetworkCredential(message.From.Address, password);//验证发件人身份
                smtp.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;//电子邮件通过网络发送到smtp服务器
                if (smtpserver != "")
                {

                    smtp.Host = smtpserver;
                }
                else
                {
                    smtp.Host = "smtp." + message.From.Host;
                }
                smtp.SendCompleted += new SendCompletedEventHandler(CompletedMethod);
                smtp.SendAsync(message, message.Body);
            }
        }
        /// <summary>
        /// 发送邮件
        /// </summary>
        public  void Send()
        {
            if (message != null)
            {
                smtp = new SmtpClient();
                smtp.Credentials = new System.Net.NetworkCredential(message.From.Address, password);
                smtp.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;
                if (smtpserver != "")
                {
                    smtp.Host = smtpserver;

                }
                else
                {
                    smtp.Host = "smtp." + message.From.Host;
                }
                smtp.Send(message);
            }
        }

    }
}

 

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