C#发送邮件（Gmail到qq邮箱和163邮箱）

女爷i 2022-07-12 12:07 434阅读 0赞

http://blog.csdn.net/lynch0571/article/details/22048841

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1.  **using** System;  
2.  **using** System.Collections.Generic;  
3.  **using** System.ComponentModel;  
4.  **using** System.Data;  
5.  **using** System.Drawing;  
6.  **using** System.Linq;  
7.  **using** System.Text;  
8.  **using** System.Windows.Forms;  
9.    
10. **using** System.Net.Mail;  
11. **using** System.Net;  
12.   
13. **namespace** SendEmail  
14. \{  
15.     **public** partial **class** Form1 : Form  
16.     \{  
17.         **public** Form1()  
18.         \{  
19.             InitializeComponent();  
20.         \}  
21.   
22.         **private** **void** button1\_Click(**object** sender, EventArgs e)  
23.         \{  
24.             \#region 邮件信息  
25.             **string** emailFromAddress = "YourGmail@gmail.com";  
26.             **string** emailPassword = "YourPassword";  
27.             **string** emailToAddress1 = "YourQQ@qq.com";  
28.             **string** emailToAddress2 = "Your163@163.com";  
29.             **string** emailSubject = "C\#发送Email";  
30.             **string** emailBody = "this is a test email from gmail!" + System.DateTime.Now;  
31.             \#endregion  
32.             **try**  
33.             \{  
34.                 MailMessage myMail = **new** MailMessage();  
35.                 myMail.From = **new** MailAddress(emailFromAddress);  
36.                 myMail.To.Add(**new** MailAddress(emailToAddress1));  
37.                 myMail.To.Add(**new** MailAddress(emailToAddress2));  
38.                 myMail.Subject = emailSubject;  
39.                 myMail.SubjectEncoding = Encoding.UTF8;  
40.   
41.                 myMail.Body = emailBody;  
42.                 myMail.BodyEncoding = Encoding.UTF8;  
43.                 myMail.IsBodyHtml = **true**;  
44.   
45.                 SmtpClient smtp = **new** SmtpClient();  
46.                 smtp.Host = "smtp.gmail.com";  
47.                 smtp.Port = 587;                    //Gmail的smtp端口  
48.                 smtp.Credentials = **new** NetworkCredential(emailFromAddress, emailPassword);  
49.                 smtp.EnableSsl = **true**;              //Gmail要求SSL连接  
50.                 smtp.DeliveryMethod = SmtpDeliveryMethod.Network; //Gmail的发送方式是通过网络的方式，需要指定  
51.   
52.                 smtp.Send(myMail);  
53.                 MessageBox.Show("发送成功");  
54.             \}  
55.             **catch** (Exception err)   
56.             \{  
57.                 MessageBox.Show("发送失败！原因是"\+err.Message+err.Source);  
58.             \}  
59.         \}  
60.     \}  
61. \}

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