C # available email sending code

Public Mailmessage initial ( String  Address) {mailmessage m_mail = New  Mailmessage ();  //  Sender M_mail.from = New Mailaddress ( "  * ***** @ 126.com  "  );  //  Recipient M_mail.to.add ( New  Mailaddress (Address ));  //  Topic M_mail.subject = "  The proxy has not been verified for a long time !!!  "  ;  //  Content M_mail.body = "  Please reopen it !!!  "  ;  // Subject and body encoding formats M_mail.subjectencoding = System. Text. encoding. utf8; m_mail.bodyencoding = System. Text. encoding. utf8;  //  The email body is HTML encoded. M_mail.isbodyhtml = True  ;  //  Priority M_mail.priority = System. net. Mail. mailpriority. High;  //  Add attachments. You can add multiple attachments. //  M_mail.attachments.add (new attachment ("C: \ 1.txt "));  //  Bcc cc recipient  M_mail.bcc.add (Address );  //  CC recipient  M_mail.cc.add (Address );  Return  M_mail;} A smtpclient Client = New  Smtpclient ();  // You can use split to intercept the user name in this location from the sender. Client. Credentials = New System. net. networkcredential ( "  ****  "  , Password); client. Port = 25  ; Client. Host = "  Smtp.126.com  "  ;  Try {Client. Send (initial (  "  * ***** @ QQ.com  "  ));  //  Clientscript. registerstartupscript (this. GetType (), "myscript", "<SCRIPT> alert ('sent successfully! ') </SCRIPT> "); Succmsg. Add ( "  Email sent!  " + "  * ***** @ QQ.com  " );  Return   True  ;}  Catch  (System. net. Mail. smtpexception ex) {succmsg. Add (  "  Failed to send email!  " + "  * ***** @ QQ.com  "  );  Return   False ;}