发送及接收邮件
导言
最近在做一个项目时用到了发送邮件及接收邮件。空闲时把他总结下来、希望能帮助其他的人。
实现
发送邮件我们使用的是SMTP协议、接收邮件使用的是POP3协议，不废话了直接上代码：
发送邮件:
namespace KylinEmailCore
{/// /// 抽象方法/// public abstract class PushEamilBase{/// /// 服务器 Smtp 服务器/// public virtual string smtpService { get; set; }/// /// 发送邮箱/// public virtual string sendEmail { get; set; }/// /// 显示名称/// public virtual string displayName { get; set; }/// /// 发送密码/// public virtual string sendpwd { get; set; }/// /// 端口/// public virtual int sendport { get; set; }/// /// 是否使用ssl加密/// public virtual bool sendssl { get; set; }//确定smtp服务器地址 实例化一个Smtp客户端SmtpClient smtpclient = null;//实例化smtp服务器/// /// 构造函数注入必要的参数/// protected PushEamilBase(){smtpService = "smtp.xxxxx.com"; 默认的Smtp服务sendEmail = "xxxxx";///发送邮箱sendpwd = "xxxx";//密码sendport = 25;displayName = "显示名称";//Kylin displayName 就是显示的Kylinsendssl = false;this.smtpclient = new SmtpClient();}//没有采用方式public virtual EmailSendBackDto SendEmail(EmailPushDto emailPushDto){EmailSendBackDto emailSendBackDto = new EmailSendBackDto();smtpclient.Host = smtpService;smtpclient.Port = sendport;MailMessage mailMessage = new MailMessage();mailMessage.From = new MailAddress(sendEmail, displayName);//主送人if (emailPushDto.strReceiver != null){for (int i = 0; i < emailPushDto.strReceiver.Count; i++){if (emailPushDto.strReceiver[i] != "")mailMessage.To.Add(emailPushDto.strReceiver[i]);}}//抄送人if (emailPushDto.strCReceiver != null){for (int i = 0; i < emailPushDto.strCReceiver.Count; i++){if (emailPushDto.strCReceiver[i] != "")mailMessage.CC.Add(emailPushDto.strCReceiver[i]);}}mailMessage.Subject = emailPushDto.strSubject;//发送邮件主题mailMessage.SubjectEncoding = System.Text.Encoding.UTF8;mailMessage.Body = emailPushDto.strContent;//发送邮件正文 mailMessage.BodyEncoding = System.Text.Encoding.UTF8;//附件if (emailPushDto.AttachFile != null){foreach (string key in emailPushDto.AttachFile.Keys){Attachment file = new Attachment(emailPushDto.AttachFile[key]);file.Name = key;mailMessage.Attachments.Add(file);}}//邮件发送方式 通过网络发送到smtp服务器smtpclient.DeliveryMethod = SmtpDeliveryMethod.Network;//如果服务器支持安全连接，则将安全连接设为truesmtpclient.EnableSsl = sendssl;try{//是否使用默认凭据，若为false，则使用自定义的证书，就是下面的networkCredential实例对象smtpclient.UseDefaultCredentials = false;//指定邮箱账号和密码,需要注意的是，这个密码是你在QQ邮箱设置里开启服务的时候给你的那个授权码NetworkCredential networkCredential = new NetworkCredential(sendEmail, sendpwd);smtpclient.Credentials = networkCredential;//发送邮件//LogManager.WriteLog("SAI发送邮件:" + mailMessage.ToJson());smtpclient.Send(mailMessage);emailSendBackDto.IsSuccess = true;// to do 发送成功}catch (System.Net.Mail.SmtpException ex){// LogManager.WriteLog("SAI发送邮箱提示错误:" + ex.Message);emailSendBackDto.IsSuccess = false;emailSendBackDto.Msg = ex.Message;// to do 发送失败}return emailSendBackDto;}//采用html发送方式public virtual EmailSendBackDto SendHtmlEmail(EmailPushDto emailPushDto){EmailSendBackDto emailSendBackDto = new EmailSendBackDto();smtpclient.DeliveryMethod = SmtpDeliveryMethod.Network;//指定电子邮件发送方式 //如果服务器支持安全连接，则将安全连接设为truesmtpclient.EnableSsl = sendssl;smtpclient.Host = smtpService;//邮件服务器smtpclient.UseDefaultCredentials = true;smtpclient.Credentials = new NetworkCredential(sendEmail, sendpwd);//用户名、密码 MailMessage mailMessage = new MailMessage();mailMessage.From = new MailAddress(sendEmail, displayName);if (emailPushDto.strReceiver != null){for (int i = 0; i < emailPushDto.strReceiver.Count; i++){mailMessage.To.Add(emailPushDto.strReceiver[i]);}}if (emailPushDto.strCReceiver != null){for (int i = 0; i < emailPushDto.strCReceiver.Count; i++){mailMessage.CC.Add(emailPushDto.strCReceiver[i]);}}mailMessage.Subject = emailPushDto.strSubject;//邮件标题 mailMessage.Body = emailPushDto.strContent;//发送邮件正文 //mailMessage.Body = emailPushDto.strContent;//邮件内容 mailMessage.BodyEncoding = System.Text.Encoding.UTF8;//邮件内容编码 mailMessage.IsBodyHtml = true;//是否是HTML邮件 mailMessage.Priority = MailPriority.High;//邮件优先级 //附件if (emailPushDto.AttachFile != null){foreach (string key in emailPushDto.AttachFile.Keys){Attachment file = new Attachment(emailPushDto.AttachFile[key]);file.Name = key;mailMessage.Attachments.Add(file);}}try{smtpclient.Send(mailMessage);emailSendBackDto.IsSuccess = true;}catch (System.Net.Mail.SmtpException ex){emailSendBackDto.IsSuccess = true;emailSendBackDto.Msg = ex.Message;}return emailSendBackDto;}}
} 接收邮件:
namespace KylinEmailCore
{/// /// 接收邮件/// public class ReveiveEamilBase{/// /// 存在本地地址/// public virtual string localfile { get; set; }/// /// 服务器 Smtp 服务器/// public virtual string smtpService { get; set; }/// /// 发送邮箱/// public virtual string sendEmail { get; set; }/// /// 发送密码/// public virtual string sendpwd { get; set; }/// /// 端口/// public virtual int sendport { get; set; }/// /// 是否使用ssl加密/// public virtual bool sendssl { get; set; }//实例化对象Pop3Client pop3;public ReveiveEamilBase(){smtpService = "pop.qiye.aliyun.com"; //"smtp.mxhichina.com.cn";//默认的Smtp服务sendEmail = "sgdsrm@cetccq.com.cn";// "cetccq_ic@vip.163.com";//发送邮箱sendpwd = "Sgd_Srm_12";//密码sendport = 110;//端口sendssl = false;localfile = "D:\\localfile";pop3 = new Pop3Client();}/// /// 接受邮件 Openpop/// 邮件接收：.NET中没有POP3邮件接收的类，邮件的内容和格式比复杂，/// 手动写代码进行解析很麻烦，也容易出错，开发中我们可以借助第三方插件来实现/// OpenPOP.NET插件的地址：http://sourceforge.net/projects/hpop//// /// ReceiveEmail(){List reveiveEamilBackDtos = new List();try{//链接到邮件服务器pop3.Connect(smtpService, sendport, sendssl);//身份验证pop3.Authenticate(sendEmail, sendpwd);//读邮件列表//1.获取邮件的个数int count = pop3.GetMessageCount();//2.遍历显示出来for (int i = 1; i <= count; i++){Message msg = pop3.GetMessage(i);string FromAddress = msg.Headers.From.Address;//发送者的邮箱地址string FromDisplayName = msg.Headers.From.DisplayName;//发送者的名子DateTime DateSent = msg.Headers.DateSent;//邮件的发送时间string Subject = msg.Headers.Subject;//邮件的主题//获取正文内容，其中包括\n\r这些换行符string Body = String.Empty;try{Body = msg.FindFirstPlainTextVersion().GetBodyAsText();}catch (Exception ex){}//获取邮件html内容//OpenPop.Mime.MessagePart htmlMessage = msg.FindFirstHtmlVersion();//string htmlText = htmlMessage.GetBodyAsText();//只要有附件才添加到集合List messageParts = msg.FindAllAttachments();if (messageParts != null){if (messageParts.Count > 0){ReveiveEamilBackDto reveiveEamilBackDto = new ReveiveEamilBackDto();reveiveEamilBackDto.FromAddress = FromAddress;//发送者的邮箱reveiveEamilBackDto.FromDisplayName = FromDisplayName;//发送者的名称reveiveEamilBackDto.BodyAsText = Body;//文本reveiveEamilBackDto.Subject = Subject;//titlereveiveEamilBackDto.DateSent = DateSent;//发送日期//附件reveiveEamilBackDto.fileLists = new List();foreach (MessagePart item in messageParts){FileList fileList = new FileList();//判断文件是否存在，不存在则创建的存在string sPath = Path.Combine(localfile, "File");if (!System.IO.Directory.Exists(sPath)){//创建该文件System.IO.Directory.CreateDirectory(sPath);}FileInfo fileInfo = new FileInfo(sPath + "\\" + item.FileName);//保存附件item.Save(fileInfo);//添加附件fileList.DownDate = DateTime.Now;fileList.FileName = item.FileName;fileList.FilePath = fileInfo.FullName;reveiveEamilBackDto.fileLists.Add(fileList);}reveiveEamilBackDtos.Add(reveiveEamilBackDto);}}//暂时不需要删除 在测试阶段pop3.DeleteMessage(i); //删除邮件 }//断开链接pop3.Disconnect();}catch (Exception ex){}return reveiveEamilBackDtos;}}
}
源码：
https://github.com/lszai90/SendAndReceiveEmail.git
总结
日行一结，既能利于别人,也能利于己。## 导言
最近在做一个项目时用到了发送邮件及接收邮件。空闲时把他总结下来、希望能帮助其他的人。
实现
发送邮件我们使用的是SMTP协议、接收邮件使用的是POP3协议，不废话了直接上代码：
发送邮件:
namespace KylinEmailCore
{/// /// 抽象方法/// public abstract class PushEamilBase{/// /// 服务器 Smtp 服务器/// public virtual string smtpService { get; set; }/// /// 发送邮箱/// public virtual string sendEmail { get; set; }/// /// 显示名称/// public virtual string displayName { get; set; }/// /// 发送密码/// public virtual string sendpwd { get; set; }/// /// 端口/// public virtual int sendport { get; set; }/// /// 是否使用ssl加密/// public virtual bool sendssl { get; set; }//确定smtp服务器地址 实例化一个Smtp客户端SmtpClient smtpclient = null;//实例化smtp服务器/// /// 构造函数注入必要的参数/// protected PushEamilBase(){smtpService = "smtp.xxxxx.com"; 默认的Smtp服务sendEmail = "xxxxx";///发送邮箱sendpwd = "xxxx";//密码sendport = 25;displayName = "显示名称";//Kylin displayName 就是显示的Kylinsendssl = false;this.smtpclient = new SmtpClient();}//没有采用方式public virtual EmailSendBackDto SendEmail(EmailPushDto emailPushDto){EmailSendBackDto emailSendBackDto = new EmailSendBackDto();smtpclient.Host = smtpService;smtpclient.Port = sendport;MailMessage mailMessage = new MailMessage();mailMessage.From = new MailAddress(sendEmail, displayName);//主送人if (emailPushDto.strReceiver != null){for (int i = 0; i < emailPushDto.strReceiver.Count; i++){if (emailPushDto.strReceiver[i] != "")mailMessage.To.Add(emailPushDto.strReceiver[i]);}}//抄送人if (emailPushDto.strCReceiver != null){for (int i = 0; i < emailPushDto.strCReceiver.Count; i++){if (emailPushDto.strCReceiver[i] != "")mailMessage.CC.Add(emailPushDto.strCReceiver[i]);}}mailMessage.Subject = emailPushDto.strSubject;//发送邮件主题mailMessage.SubjectEncoding = System.Text.Encoding.UTF8;mailMessage.Body = emailPushDto.strContent;//发送邮件正文 mailMessage.BodyEncoding = System.Text.Encoding.UTF8;//附件if (emailPushDto.AttachFile != null){foreach (string key in emailPushDto.AttachFile.Keys){Attachment file = new Attachment(emailPushDto.AttachFile[key]);file.Name = key;mailMessage.Attachments.Add(file);}}//邮件发送方式 通过网络发送到smtp服务器smtpclient.DeliveryMethod = SmtpDeliveryMethod.Network;//如果服务器支持安全连接，则将安全连接设为truesmtpclient.EnableSsl = sendssl;try{//是否使用默认凭据，若为false，则使用自定义的证书，就是下面的networkCredential实例对象smtpclient.UseDefaultCredentials = false;//指定邮箱账号和密码,需要注意的是，这个密码是你在QQ邮箱设置里开启服务的时候给你的那个授权码NetworkCredential networkCredential = new NetworkCredential(sendEmail, sendpwd);smtpclient.Credentials = networkCredential;//发送邮件//LogManager.WriteLog("SAI发送邮件:" + mailMessage.ToJson());smtpclient.Send(mailMessage);emailSendBackDto.IsSuccess = true;// to do 发送成功}catch (System.Net.Mail.SmtpException ex){// LogManager.WriteLog("SAI发送邮箱提示错误:" + ex.Message);emailSendBackDto.IsSuccess = false;emailSendBackDto.Msg = ex.Message;// to do 发送失败}return emailSendBackDto;}//采用html发送方式public virtual EmailSendBackDto SendHtmlEmail(EmailPushDto emailPushDto){EmailSendBackDto emailSendBackDto = new EmailSendBackDto();smtpclient.DeliveryMethod = SmtpDeliveryMethod.Network;//指定电子邮件发送方式 //如果服务器支持安全连接，则将安全连接设为truesmtpclient.EnableSsl = sendssl;smtpclient.Host = smtpService;//邮件服务器smtpclient.UseDefaultCredentials = true;smtpclient.Credentials = new NetworkCredential(sendEmail, sendpwd);//用户名、密码 MailMessage mailMessage = new MailMessage();mailMessage.From = new MailAddress(sendEmail, displayName);if (emailPushDto.strReceiver != null){for (int i = 0; i < emailPushDto.strReceiver.Count; i++){mailMessage.To.Add(emailPushDto.strReceiver[i]);}}if (emailPushDto.strCReceiver != null){for (int i = 0; i < emailPushDto.strCReceiver.Count; i++){mailMessage.CC.Add(emailPushDto.strCReceiver[i]);}}mailMessage.Subject = emailPushDto.strSubject;//邮件标题 mailMessage.Body = emailPushDto.strContent;//发送邮件正文 //mailMessage.Body = emailPushDto.strContent;//邮件内容 mailMessage.BodyEncoding = System.Text.Encoding.UTF8;//邮件内容编码 mailMessage.IsBodyHtml = true;//是否是HTML邮件 mailMessage.Priority = MailPriority.High;//邮件优先级 //附件if (emailPushDto.AttachFile != null){foreach (string key in emailPushDto.AttachFile.Keys){Attachment file = new Attachment(emailPushDto.AttachFile[key]);file.Name = key;mailMessage.Attachments.Add(file);}}try{smtpclient.Send(mailMessage);emailSendBackDto.IsSuccess = true;}catch (System.Net.Mail.SmtpException ex){emailSendBackDto.IsSuccess = true;emailSendBackDto.Msg = ex.Message;}return emailSendBackDto;}}
} 接收邮件:
namespace KylinEmailCore
{/// /// 接收邮件/// public class ReveiveEamilBase{/// /// 存在本地地址/// public virtual string localfile { get; set; }/// /// 服务器 Smtp 服务器/// public virtual string smtpService { get; set; }/// /// 发送邮箱/// public virtual string sendEmail { get; set; }/// /// 发送密码/// public virtual string sendpwd { get; set; }/// /// 端口/// public virtual int sendport { get; set; }/// /// 是否使用ssl加密/// public virtual bool sendssl { get; set; }//实例化对象Pop3Client pop3;public ReveiveEamilBase(){smtpService = "pop.qiye.aliyun.com"; //"smtp.mxhichina.com.cn";//默认的Smtp服务sendEmail = "sgdsrm@cetccq.com.cn";// "cetccq_ic@vip.163.com";//发送邮箱sendpwd = "Sgd_Srm_12";//密码sendport = 110;//端口sendssl = false;localfile = "D:\\localfile";pop3 = new Pop3Client();}/// /// 接受邮件 Openpop/// 邮件接收：.NET中没有POP3邮件接收的类，邮件的内容和格式比复杂，/// 手动写代码进行解析很麻烦，也容易出错，开发中我们可以借助第三方插件来实现/// OpenPOP.NET插件的地址：http://sourceforge.net/projects/hpop//// /// ReceiveEmail(){List reveiveEamilBackDtos = new List();try{//链接到邮件服务器pop3.Connect(smtpService, sendport, sendssl);//身份验证pop3.Authenticate(sendEmail, sendpwd);//读邮件列表//1.获取邮件的个数int count = pop3.GetMessageCount();//2.遍历显示出来for (int i = 1; i <= count; i++){Message msg = pop3.GetMessage(i);string FromAddress = msg.Headers.From.Address;//发送者的邮箱地址string FromDisplayName = msg.Headers.From.DisplayName;//发送者的名子DateTime DateSent = msg.Headers.DateSent;//邮件的发送时间string Subject = msg.Headers.Subject;//邮件的主题//获取正文内容，其中包括\n\r这些换行符string Body = String.Empty;try{Body = msg.FindFirstPlainTextVersion().GetBodyAsText();}catch (Exception ex){}//获取邮件html内容//OpenPop.Mime.MessagePart htmlMessage = msg.FindFirstHtmlVersion();//string htmlText = htmlMessage.GetBodyAsText();//只要有附件才添加到集合List messageParts = msg.FindAllAttachments();if (messageParts != null){if (messageParts.Count > 0){ReveiveEamilBackDto reveiveEamilBackDto = new ReveiveEamilBackDto();reveiveEamilBackDto.FromAddress = FromAddress;//发送者的邮箱reveiveEamilBackDto.FromDisplayName = FromDisplayName;//发送者的名称reveiveEamilBackDto.BodyAsText = Body;//文本reveiveEamilBackDto.Subject = Subject;//titlereveiveEamilBackDto.DateSent = DateSent;//发送日期//附件reveiveEamilBackDto.fileLists = new List();foreach (MessagePart item in messageParts){FileList fileList = new FileList();//判断文件是否存在，不存在则创建的存在string sPath = Path.Combine(localfile, "File");if (!System.IO.Directory.Exists(sPath)){//创建该文件System.IO.Directory.CreateDirectory(sPath);}FileInfo fileInfo = new FileInfo(sPath + "\\" + item.FileName);//保存附件item.Save(fileInfo);//添加附件fileList.DownDate = DateTime.Now;fileList.FileName = item.FileName;fileList.FilePath = fileInfo.FullName;reveiveEamilBackDto.fileLists.Add(fileList);}reveiveEamilBackDtos.Add(reveiveEamilBackDto);}}//暂时不需要删除 在测试阶段pop3.DeleteMessage(i); //删除邮件 }//断开链接pop3.Disconnect();}catch (Exception ex){}return reveiveEamilBackDtos;}}
}
源码：
https://github.com/lszai90/SendAndReceiveEmail.git
博客地址:
https://lszai90.github.io/
总结
日行一结，既能利于别人,也能利于己。
本文来自互联网用户投稿，文章观点仅代表作者本人，不代表本站立场，不承担相关法律责任。如若转载，请注明出处。 如若内容造成侵权/违法违规/事实不符，请点击【内容举报】进行投诉反馈！