C # send an Email (for example, QQ or Gmail)

The email account and password used below are not authentic. If you need to test the password, replace it with your own email account.

To be referenced:
Using System. Net. Mail;
Using System. Text;
Using System. Net;

Program code:

MailMessage myMail = new MailMessage (); // create an email Instance Object

MyMail. From = new MailAddress ("bluesky@sina.com"); // sender, which corresponds to the verification information of the mail server and cannot be changed at will

MyMail. To. Add (new MailAddress ("848594@qq.com"); // recipient

MyMail. Subject = "C # Send Email"; // mail title
MyMail. SubjectEncoding = Encoding. UTF8; // Title Encoding

MyMail. Body = "this is a test email! "; // Email content
MyMail. BodyEncoding = Encoding. UTF8; // email Content Encoding
MyMail. IsBodyHtml = true; // whether the email content supports html

SmtpClient smtp = new SmtpClient (); // create an smtp Instance Object
Smtp. Host = "mail.sina.com"; // Mail Server SMTP
Smtp. Port = 25; // mail server Port
Smtp. Credentials = new NetworkCredential ("bluesky@sina.com", "123456"); // Mail Server verification information

Smtp. Send (myMail); // Send an email

Example of sending emails using Gmail

MailMessage myMail = new MailMessage ();

MyMail. From = new MailAddress ("bluesky@gmail.com ");
MyMail. To. Add (new MailAddress ("444354@qq.com "));

MyMail. Subject = "C # Send Email ";
MyMail. SubjectEncoding = Encoding. UTF8;

MyMail. Body = "this is a test email from gmail! <A href = 'HTTP: // www.sina.com.cn '> sina </a> ";
MyMail. BodyEncoding = Encoding. UTF8;
MyMail. IsBodyHtml = true;

SmtpClient smtp = new SmtpClient ();
Smtp. Host = "smtp.gmail.com ";
Smtp. Port = 587; // smtp Port of Gmail
Smtp. Credentials = new NetworkCredential ("bluesky@gmail.com", "123456 ");
Smtp. EnableSsl = true; // Gmail requires SSL connection

Smtp. DeliveryMethod = SmtpDeliveryMethod. Network; // The sending method of Gmail is through the Network. You must specify

Smtp. Send (myMail );

Example of sending an email using QQ mail

MailMessage myMail = new MailMessage ();

MyMail. From = new MailAddress ("4443233@qq.com ");
MyMail. To. Add (new MailAddress ("bluesky@gmail.com "));

MyMail. Subject = "C # Send Email ";
MyMail. SubjectEncoding = Encoding. UTF8;

MyMail. Body = "this is a test email from QQ! ";
MyMail. BodyEncoding = Encoding. UTF8;
MyMail. IsBodyHtml = true;

SmtpClient smtp = new SmtpClient ();
Smtp. Host = "smtp.qq.com ";
Smtp. Credentials = new NetworkCredential ("4443233@qq.com", "123456 ");

Smtp. Send (myMail );

 

Reference from: http://hi.baidu.com/%CA%D8%CD%FB%C0%B6%CC%EC/blog/item/6e5e4d60c9d6776c0d33fa3d.html