System.Net.Mail邮件发送失败，本地测试可以，服务器上不行

欧阳志清 2015-04-29 05:38:17

using System;  



using System.Net;  



using System.Net.Mail;  



using System.Net.Mime;  



namespace Fish 



{  



    /**//// <summary>  



    /// 发送邮件的类  



    /// </summary>  



    public class SendMail  



    {  



        private MailMessage mailMessage;  



        private SmtpClient smtpClient;  



        private string password;//发件人密码  



        /**//// <summary>  



        /// 处审核后类的实例  



        /// </summary>  



        /// <param name="To">收件人地址</param>  



        /// <param name="From">发件人地址</param>  



        /// <param name="Body">邮件正文</param>  



        /// <param name="Title">邮件的主题</param>  



        /// <param name="Password">发件人密码</param>  



        public SendMail(string To, string From, string Body, string Title, string 



Password)  



        {  



            mailMessage = new MailMessage();  



            mailMessage.To.Add(To);  



            mailMessage.From = new System.Net.Mail.MailAddress(From);  



            mailMessage.Subject = Title;  



            mailMessage.Body = Body;  



            mailMessage.IsBodyHtml = true;  



            mailMessage.BodyEncoding = System.Text.Encoding.UTF8;  



            mailMessage.Priority = System.Net.Mail.MailPriority.Normal;  



            this.password = Password;  



        }  



        /**//// <summary>  



        /// 添加附件  



        /// </summary>  



        public void Attachments(string Path)  



        {  



            string[] path = Path.Split(',');  



            Attachment data;  



            ContentDisposition disposition;  



            for (int i = 0; i < path.Length; i++)  



            {  



                data = new Attachment(path[i], MediaTypeNames.Application.Octet);//实例化 



附件  



                disposition = data.ContentDisposition;  



                disposition.CreationDate = System.IO.File.GetCreationTime(path[i]);//获取 



附件的创建日期  



                disposition.ModificationDate = System.IO.File.GetLastWriteTime(path[i]);// 



获取附件的修改日期  



                disposition.ReadDate = System.IO.File.GetLastAccessTime(path[i]);//获取附 



件的读取日期  



                mailMessage.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 (mailMessage != null)  



            {  



                smtpClient = new SmtpClient();  



                smtpClient.Credentials = new System.Net.NetworkCredential 



(mailMessage.From.Address, password);//设置发件人身份的票据  



                smtpClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;  



                smtpClient.Host = "smtp." + mailMessage.From.Host;  



                smtpClient.SendCompleted += new SendCompletedEventHandler 



(CompletedMethod);//注册异步发送邮件完成时的事件  



                smtpClient.SendAsync(mailMessage, mailMessage.Body);  



            }  



        }  



        /**//// <summary>  



        /// 发送邮件  



        /// </summary>  



        public void Send()  



        {  



            if (mailMessage != null)  



            {  



                smtpClient = new SmtpClient();  



                smtpClient.Credentials = new System.Net.NetworkCredential 



(mailMessage.From.Address, password);//设置发件人身份的票据  



                smtpClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;  



                smtpClient.Host = "smtp." + mailMessage.From.Host;  



                smtpClient.Send(mailMessage);  



            }  



        }  



    }  



}