C#发送邮件附件问题

Question

这个很正常...附件越大..发送速度会越慢..你用Jmail试试  看看速度怎么样.

Answer 1

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.Net.Mail;
using System.Net.Sockets;
using System.IO;namespace EmailSendAndReceive
{
    public class SendE_mail
    {
        /// <summary>
        /// 邮件发送
        /// </summary>
        /// <param name="userName">用户名</param>
        /// <param name="userPwd">密码</param>
        /// <param name="sendAddress">发送地址</param>
        /// <param name="sendTitle">标题</param>
        /// <param name="sendContent">内容</param>
        /// <param name="sendAttachment">附件</param>
        public String SendMail(String strServer,String userName,String userPwd,String sendAddress,String sendTitle,
                               String sendContent,String sendAttachment)
        {
            String strMessage = null;
            MailMessage MailMess = new MailMessage();
            MailMess.From = new MailAddress(userName);
            MailMess.To.Add(sendAddress);
            MailMess.Subject = sendTitle;
            MailMess.Priority = MailPriority.High;
            if (sendContent != "")
            {
                MailMess.Body = sendContent;
                MailMess.BodyEncoding = Encoding.GetEncoding("gb2312");
            }
            if (sendAttachment != "")
            {
                MailMess.Attachments.Add(new Attachment(@sendAttachment));
            }            
            SmtpClient sc = new SmtpClient(strServer);
            sc.DeliveryMethod = SmtpDeliveryMethod.Network;
            sc.Credentials= new NetworkCredential(userName,userPwd);
            try
            {
                sc.Send(MailMess);
                return strMessage = "发送成功";
            }
            catch (Exception ex)
            {
                return strMessage = "发送失败" + ex;
            }        }
    }
}这就是代码帮忙改下？

Answer 2

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.Net.Mail;
using System.Net.Sockets;
using System.IO;namespace EmailSendAndReceive
{
    public class SendE_mail
    {
        /// <summary>
        /// 邮件发送
        /// </summary>
        /// <param name="userName">用户名</param>
        /// <param name="userPwd">密码</param>
        /// <param name="sendAddress">发送地址</param>
        /// <param name="sendTitle">标题</param>
        /// <param name="sendContent">内容</param>
        /// <param name="sendAttachment">附件</param>
        public String SendMail(String strServer,String userName,String userPwd,String sendAddress,String sendTitle,
                               String sendContent,String sendAttachment)
        {
            String strMessage = null;
            MailMessage MailMess = new MailMessage();
            MailMess.From = new MailAddress(userName);
            MailMess.To.Add(sendAddress);
            MailMess.Subject = sendTitle;
            MailMess.Priority = MailPriority.High;
            if (sendContent != "")
            {
                MailMess.Body = sendContent;
                MailMess.BodyEncoding = Encoding.GetEncoding("gb2312");
            }
            if (sendAttachment != "")
            {
                MailMess.Attachments.Add(new Attachment(@sendAttachment));
            }            
            SmtpClient sc = new SmtpClient(strServer);
            sc.DeliveryMethod = SmtpDeliveryMethod.Network;
            sc.Credentials= new NetworkCredential(userName,userPwd);
            try
            {
                sc.Send(MailMess);
                return strMessage = "发送成功";
            }
            catch (Exception ex)
            {
                return strMessage = "发送失败" + ex;
            }        }
    }
}这就是代码帮忙改下？