Smtp sends an email with an attachment (Save the string type result as an attachment), smtpstring

Smtp sends an email with an attachment (Save the string type result as an attachment), smtpstring

This method can be directly saved as an HTML file or a text file. Other formats do not work well.
MailMessage mmsg = new MailMessage ();
Mmsg. Subject = "mail title ";
Mmsg. Body = "email content ";
Mmsg. To. Add ("accept@qq.com"); // receive mailbox
Byte [] bytes = System. Text. Encoding. Default. GetBytes
(@ "<Table> <tr> <td width = 150> 1234567891234567
</Td> <td width = 80> 12345678 </td> </tr> </table> ");
MemoryStream MS = new MemoryStream (bytes );
ContentType ct = new ContentType ();
// Attachment file type
Ct. MediaType = MediaTypeNames. Text. Html;
// Attachment name, which can be another suffix
Ct. Name = "attachment Name" + DateTime. Now. ToString () + ". html ";
Mmsg. Attachments. Add (new Attachment (MS, ct ));
// SMTP Simple Mail Protocol
System. Net. Mail. SmtpClient SC
= New System. Net. Mail. SmtpClient ();
SC. Host = "127.0.0.1"; // Host address
SC. Port = 25; // Port
// Send the email account and password
SC. Credentials =
New System. Net. NetworkCredential ("account", "password ");
// Send email
Mmsg. From = new MailAddress ("account@qq.com ");
SC. Send (mmsg );
// Release stream Resources
Ms. Close ();
Ms. Dispose ();