C# 通过QQ邮箱和阿里云邮箱自动发送邮件（对System.Web.Mail与System.Net.M ...

1. 实现功能：
　　通过程序自动发送邮件。使用QQ邮箱（个人/企业）或阿里云邮箱（企业）。
 
2. 编码过程中的尝试结果：
　　2.1 测试配置：见3.1 app.config配置
　　2.2 测试结果

 
  
3. 代码实现
　　3.1 app.config配置
　　　　3.1.1 QQ邮箱配置

1. 1 <connectionStrings>   
2. 2 　　<add name="MailServerIP" connectionString="smtp.exmail.qq.com" />
3. 3     <add name="MailServerPort" connectionString="465" />
4. 4     <add name="fromMailAddress" connectionString="xxx@yyy.com" />
5. 5     <add name="toMailAddress" connectionString="xxx2@yyy.com"/>
6. 6     <add name="mailUsername" connectionString="usernamexxx" />
7. 7     <add name="mailPassword" connectionString="passwordxxx" />
8. 8     <add name="ccMailAddress" connectionString="usercc@yyy.com" />
9. 9 </connectionStrings><br>注：若是QQ个人邮箱，则mailPassword需配置成授权码

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　　　　3.1.2 阿里云邮箱配置

1. 1 <connectionStrings>  
2. 2 　　<add name="MailServerIP" connectionString="smtp.qiye.aliyun.com" />
3. 3 　　<add name="MailServerPort" connectionString="25" />
4. 4 　　<add name="fromMailAddress" connectionString="xxx@yyy.com" />
5. 5 　　<add name="toMailAddress" connectionString="xxx1@yyy.com"/>
6. 6 　　<add name="mailUsername" connectionString="usernamexxx" />
7. 7 　　<add name="mailPassword" connectionString="passwordxxx" />
8. 8 　　<add name="ccMailAddress" connectionString="usercc@yyy.com" />
9. 9 </connectionStrings>

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　　3.2 调用

1. 1 public void EventOccured(string EventID)
2. 2 {
3. 3     string subjectInfo = "一些要发送邮件的事件发生咯";
4. 4     string bodyInfo = "<p style ="font-size: 10pt">Hi,all</p>";
5. 5     bodyInfo += "<p style ="font-size: 10pt;color:red">事件：" + EventID + "已经发生,请注意监控。</p>";
6. 6     bodyInfo += "<p style ="font-size: 10pt">以上内容为系统自动发送，请勿直接回复，谢谢。</p>";
7. 7
8. 8     SendMailHelper.Sendmail_(subjectInfo, bodyInfo);
9. 9 }

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1. 1 public static void Sendmail_(string subjectInfo, string bodyInfo)
2. 2 {
3. 3     try
4. 4     {
5. 5         string senderServerIp = ConfigurationManager.ConnectionStrings["MailServerIP"].ConnectionString;
6. 6         string toMailAddress = ConfigurationManager.ConnectionStrings["toMailAddress"].ConnectionString;
7. 7         string fromMailAddress = ConfigurationManager.ConnectionStrings["fromMailAddress"].ConnectionString;
8. 8         string mailUsername = ConfigurationManager.ConnectionStrings["mailUsername"].ConnectionString;
9. 9         string mailPassword = ConfigurationManager.ConnectionStrings["mailPassword"].ConnectionString;
10. 10         string mailPort = ConfigurationManager.ConnectionStrings["MailServerPort"].ConnectionString;
11. 11         string cc = ConfigurationManager.ConnectionStrings["ccMailAddress"].ConnectionString;
12. 12
13. 13         MyEmail email = new MyEmail(senderServerIp, toMailAddress, fromMailAddress, subjectInfo, bodyInfo, mailUsername, mailPassword, mailPort, cc, true, false);　　//注: aliyun需将最后参数改为:false,true
14. 14         email.Send();
15. 15     }
16. 16     catch (Exception ex)
17. 17     {
18. 18         Console.WriteLine(ex.ToString());
19. 19     }
20. 20 }

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　　3.3 具体实现
　　3.3.1 QQ邮箱：使用System.Web.Mail

1. 1 private System.Web.Mail.MailMessage mMessage;
2. 2
3. 3 public MyEmail(string server, string toMail, string fromMail, string subject, string emailBody, string username, string password, string port,string cc, bool sslEnable, bool pwdCheckEnable)
4. 4 {
5. 5     try
6. 6     {
7. 7         //for System.Web.Mail: QQ MAIL
8. 8         mMessage = new System.Web.Mail.MailMessage();
9. 9         mMessage.Priority = System.Web.Mail.MailPriority.Normal;
10. 10         mMessage.From = fromMail;
11. 11         mMessage.To = toMail;
12. 12         mMessage.Cc = cc;
13. 13         mMessage.Subject = subject;
14. 14         mMessage.BodyFormat = System.Web.Mail.MailFormat.Html;
15. 15         mMessage.BodyEncoding = Encoding.UTF8;
16. 16         mMessage.Body = emailBody;
17. 17         mMessage.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", "1"); //basic authentication
18. 18         mMessage.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername", fromMail); //set your username here
19. 19         mMessage.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword", password); //set your password here
20. 20         mMessage.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpserverport", port);//set port
21. 21         mMessage.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpusessl", sslEnable);//set is ssl
22. 22         System.Web.Mail.SmtpMail.SmtpServer = server;
23. 23     }
24. 24     catch (Exception ex)
25. 25     {
26. 26     }
27. 27 }

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1. 1 public void Send()
2. 2 {
3. 3     try
4. 4     {
5. 5         //for System.Web.Mail
6. 6         if (mMessage != null)
7. 7         {
8. 8             System.Web.Mail.SmtpMail.Send(mMessage);
9. 9         }
10. 10     }
11. 11     catch (Exception ex)
12. 12     {
13. 13         Console.WriteLine(ex.ToString());
14. 14     }
15. 15 }

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　　3.3.2 阿里云邮箱：使用System.Net.Mail

1. 1 private MailMessage mMailMessage;   
2. 2 private SmtpClient mSmtpClient; 　　　
3. 3 private int mSenderPort;   　　　　　　
4. 4 private string mSenderServerHost;
5. 5 private string mSenderPassword;
6. 6 private string mSenderUsername;
7. 7 private bool mEnableSsl;
8. 8 private bool mEnablePwdAuthentication;
9. 9
10. 10 public MyEmail(string server, string toMail, string fromMail, string subject, string emailBody, string username, string password, string port,string cc, bool sslEnable, bool pwdCheckEnable)
11. 11 {
12. 12     try
13. 13     {
14. 14         //for System.Net.Mail: Aliyun
15. 15         mMailMessage = new MailMessage();
16. 16         mMailMessage.To.Add(toMail);
17. 17         mMailMessage.From = new MailAddress(fromMail);
18. 18         mMailMessage.Subject = subject;
19. 19         mMailMessage.Body = emailBody;
20. 20         mMailMessage.IsBodyHtml = true;
21. 21         mMailMessage.BodyEncoding = System.Text.Encoding.UTF8;
22. 22         mMailMessage.Priority = MailPriority.Normal;
23. 23         if (!string.IsNullOrEmpty(cc))
24. 24             mMailMessage.CC.Add(cc);
25. 25         this.mSenderServerHost = server;
26. 26         this.mSenderUsername = fromMail;
27. 27         this.mSenderPassword = password;
28. 28         this.mSenderPort = Convert.ToInt32(port);
29. 29         this.mEnableSsl = sslEnable;
30. 30         this.mEnablePwdAuthentication = pwdCheckEnable;
31. 31     }
32. 32     catch (Exception ex)
33. 33     {
34. 34         Console.WriteLine(ex.ToString());
35. 35     }
36. 36 }

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1. 1 public void Send()
2. 2 {
3. 3     try
4. 4     {
5. 5         //for System.Net.Mail
6. 6         if (mMailMessage != null)
7. 7         {
8. 8             mSmtpClient = new SmtpClient();
9. 9             //mSmtpClient.Host = "smtp." + mMailMessage.From.Host;
10. 10             mSmtpClient.Host = this.mSenderServerHost;
11. 11             mSmtpClient.Port = this.mSenderPort;
12. 12             mSmtpClient.UseDefaultCredentials = false;
13. 13             mSmtpClient.EnableSsl = this.mEnableSsl;
14. 14             if (this.mEnablePwdAuthentication)
15. 15             {
16. 16                 System.Net.NetworkCredential nc = new System.Net.NetworkCredential(this.mSenderUsername, this.mSenderPassword);
17. 17                 //mSmtpClient.Credentials = new System.Net.NetworkCredential(this.mSenderUsername, this.mSenderPassword);
18. 18                 //NTLM: Secure Password Authentication in Microsoft Outlook Express
19. 19                 mSmtpClient.Credentials = nc.GetCredential(mSmtpClient.Host, mSmtpClient.Port, "NTLM");
20. 20             }
21. 21             else
22. 22             {
23. 23                 mSmtpClient.Credentials = new System.Net.NetworkCredential(this.mSenderUsername, this.mSenderPassword);
24. 24             }
25. 25             mSmtpClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;
26. 26             mSmtpClient.Send(mMailMessage);
27. 27         }
28. 28     }
29. 29     catch (Exception ex)
30. 30     {
31. 31         Console.WriteLine(ex.ToString());
32. 32     }
33. 33 }

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