使用SmtpClient发送邮件报错

is_drools 2016-03-11 03:44:12 


private static List<EmailRecordDto> SendMessage(List<EmailRecordDto> emails, AmazonEmailChannelDto channel)

        {

            _smtpClient.Host = channel.EmailServer;//smtp.163.com

            _smtpClient.Port = channel.Port;//25

            _smtpClient.EnableSsl = channel.EnableSsl;//启用

            _smtpClient.UseDefaultCredentials = channel.UseDefaultCredentials;//默认

            _smtpClient.Credentials = new NetworkCredential(channel.Account, channel.Password);

            _smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;



            try

            {

                var mail = new MailMessage();

                mail.SubjectEncoding = Encoding.GetEncoding(936); //Encoding.UTF8;  解决中文乱码问题

                mail.BodyEncoding = Encoding.GetEncoding(936);// Encoding.UTF8; 解决中文乱码问题

                //mail.From = new MailAddress(emails[0].FromEmail, emails[0].FromName);

                mail.From = new MailAddress(channel.Account, "");



                mail.IsBodyHtml = channel.IsBodyHtml;



                if (emails.Count > 0)

                {   

                    foreach (var email in emails)

                    {

                        try

                        {

                            mail.Subject = email.Subject.Replace("\r", "").Replace("\n", "");

                            mail.Body = email.Body;

                            email.Attachements.ForEach(a =>

                                {

                                    MemoryStream ms = new MemoryStream(a.Data);

                                    System.Net.Mail.Attachment attachment;



                                    if (a.FileName.EndsWith(".zip", StringComparison.CurrentCultureIgnoreCase) || a.FileName.EndsWith(".rar", StringComparison.CurrentCultureIgnoreCase))

                                    {

                                        attachment = new Attachment(ms, a.FileName, MediaTypeNames.Application.Zip);

                                    }

                                    else

                                    {

                                        attachment = new Attachment(ms, a.FileName, MediaTypeNames.Application.Octet);

                                    }

                                    mail.Attachments.Add(attachment);

                                });



                            mail.To.Add(new MailAddress(email.RCPTEmail, email.RCPTName));

  

                            _smtpClient.Send(mail);//此处报错   如果用QQ邮箱异常信息为：”操作超时“



                            email.RecordStatus = EmailRecordStatus.Sent;

                        }

                        catch (Exception ex)

                        {

                            Logger.Write(string.Format("发送邮件时发生异常，异常信息：{0}", ex.ToString()));

                            email.RecordStatus = EmailRecordStatus.Failed;

                        }

                    }

                }



                if (_smtpClient != null)

                {

                    _smtpClient.Dispose();

                    _smtpClient = null;

                }

            }

            catch (Exception ex)

            {

                Logger.Write(string.Format("发送邮件时发生异常，异常信息：{0}", ex.ToString()));

            }



            return emails;

        }

使用163邮箱的异常



求解是我代码有问题，还是怎么回事？？？
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is_drools 2016-03-17
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好吧！最终问题解决了，公司防火墙的问题...谢谢各位了...
tcmakebest 2016-03-12
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楼主的代码有点乱,如果要发送给几个人,只要多添加几个地址就好,为什么要每人发一遍呢
秋的红果实 2016-03-11
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写得很明白了，要查看163.com的help
is_drools 2016-03-11
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引用 1 楼 zhuankeshumo 的回复:
你 163邮箱开启了POP3/IMAP/SMTP服务？
开启了
is_drools 2016-03-11
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引用 3 楼 is_drools 的回复:
[quote=引用 1 楼 zhuankeshumo 的回复:] 你 163邮箱开启了POP3/IMAP/SMTP服务？
开启了[/quote] 为什么不可以删掉我自己的回复呢？上面引用错了...
is_drools 2016-03-11
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引用 楼主 is_drools 的回复:

private static List<EmailRecordDto> SendMessage(List<EmailRecordDto> emails, AmazonEmailChannelDto channel)
        {
            _smtpClient.Host = channel.EmailServer;//smtp.163.com
            _smtpClient.Port = channel.Port;//25
            _smtpClient.EnableSsl = channel.EnableSsl;//启用
            _smtpClient.UseDefaultCredentials = channel.UseDefaultCredentials;//默认
            _smtpClient.Credentials = new NetworkCredential(channel.Account, channel.Password);
            _smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;

            try
            {
                var mail = new MailMessage();
                mail.SubjectEncoding = Encoding.GetEncoding(936); //Encoding.UTF8;  解决中文乱码问题
                mail.BodyEncoding = Encoding.GetEncoding(936);// Encoding.UTF8; 解决中文乱码问题
                //mail.From = new MailAddress(emails[0].FromEmail, emails[0].FromName);
                mail.From = new MailAddress(channel.Account, "");

                mail.IsBodyHtml = channel.IsBodyHtml;

                if (emails.Count > 0)
                {   
                    foreach (var email in emails)
                    {
                        try
                        {
                            mail.Subject = email.Subject.Replace("\r", "").Replace("\n", "");
                            mail.Body = email.Body;
                            email.Attachements.ForEach(a =>
                                {
                                    MemoryStream ms = new MemoryStream(a.Data);
                                    System.Net.Mail.Attachment attachment;

                                    if (a.FileName.EndsWith(".zip", StringComparison.CurrentCultureIgnoreCase) || a.FileName.EndsWith(".rar", StringComparison.CurrentCultureIgnoreCase))
                                    {
                                        attachment = new Attachment(ms, a.FileName, MediaTypeNames.Application.Zip);
                                    }
                                    else
                                    {
                                        attachment = new Attachment(ms, a.FileName, MediaTypeNames.Application.Octet);
                                    }
                                    mail.Attachments.Add(attachment);
                                });

                            mail.To.Add(new MailAddress(email.RCPTEmail, email.RCPTName));
  
                            _smtpClient.Send(mail);//此处报错   如果用QQ邮箱异常信息为：”操作超时“

                            email.RecordStatus = EmailRecordStatus.Sent;
                        }
                        catch (Exception ex)
                        {
                            Logger.Write(string.Format("发送邮件时发生异常，异常信息：{0}", ex.ToString()));
                            email.RecordStatus = EmailRecordStatus.Failed;
                        }
                    }
                }

                if (_smtpClient != null)
                {
                    _smtpClient.Dispose();
                    _smtpClient = null;
                }
            }
            catch (Exception ex)
            {
                Logger.Write(string.Format("发送邮件时发生异常，异常信息：{0}", ex.ToString()));
            }

            return emails;
        }
使用163邮箱的异常 求解是我代码有问题，还是怎么回事？？？
引用 楼主 is_drools 的回复:

private static List<EmailRecordDto> SendMessage(List<EmailRecordDto> emails, AmazonEmailChannelDto channel)
        {
            _smtpClient.Host = channel.EmailServer;//smtp.163.com
            _smtpClient.Port = channel.Port;//25
            _smtpClient.EnableSsl = channel.EnableSsl;//启用
            _smtpClient.UseDefaultCredentials = channel.UseDefaultCredentials;//默认
            _smtpClient.Credentials = new NetworkCredential(channel.Account, channel.Password);
            _smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;

            try
            {
                var mail = new MailMessage();
                mail.SubjectEncoding = Encoding.GetEncoding(936); //Encoding.UTF8;  解决中文乱码问题
                mail.BodyEncoding = Encoding.GetEncoding(936);// Encoding.UTF8; 解决中文乱码问题
                //mail.From = new MailAddress(emails[0].FromEmail, emails[0].FromName);
                mail.From = new MailAddress(channel.Account, "");

                mail.IsBodyHtml = channel.IsBodyHtml;

                if (emails.Count > 0)
                {   
                    foreach (var email in emails)
                    {
                        try
                        {
                            mail.Subject = email.Subject.Replace("\r", "").Replace("\n", "");
                            mail.Body = email.Body;
                            email.Attachements.ForEach(a =>
                                {
                                    MemoryStream ms = new MemoryStream(a.Data);
                                    System.Net.Mail.Attachment attachment;

                                    if (a.FileName.EndsWith(".zip", StringComparison.CurrentCultureIgnoreCase) || a.FileName.EndsWith(".rar", StringComparison.CurrentCultureIgnoreCase))
                                    {
                                        attachment = new Attachment(ms, a.FileName, MediaTypeNames.Application.Zip);
                                    }
                                    else
                                    {
                                        attachment = new Attachment(ms, a.FileName, MediaTypeNames.Application.Octet);
                                    }
                                    mail.Attachments.Add(attachment);
                                });

                            mail.To.Add(new MailAddress(email.RCPTEmail, email.RCPTName));
  
                            _smtpClient.Send(mail);//此处报错   如果用QQ邮箱异常信息为：”操作超时“

                            email.RecordStatus = EmailRecordStatus.Sent;
                        }
                        catch (Exception ex)
                        {
                            Logger.Write(string.Format("发送邮件时发生异常，异常信息：{0}", ex.ToString()));
                            email.RecordStatus = EmailRecordStatus.Failed;
                        }
                    }
                }

                if (_smtpClient != null)
                {
                    _smtpClient.Dispose();
                    _smtpClient = null;
                }
            }
            catch (Exception ex)
            {
                Logger.Write(string.Format("发送邮件时发生异常，异常信息：{0}", ex.ToString()));
            }

            return emails;
        }
使用163邮箱的异常 求解是我代码有问题，还是怎么回事？？？
开启了
newtee 2016-03-11
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你 163邮箱开启了POP3/IMAP/SMTP服务？
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