Tool-SharePoint mail function

Using System;
 Using System. Collections. Generic;
 Using System. text;
 Using System. net. mail;
 Using Microsoft. Sharepoint. administration;

 Namespace Newhire
{
 Class Mailentity
{
 Internal   Void Sendemail (String From, String To, String CC, String Subject, String Body, String Userid, String Password)
{
Smtpclient SC = Null ;
Mailmessage message = Null ;
 Try 
{
SC = createsmtpclient (userid, password );
Message = buildmailmessage (from, to, CC, subject, body );
SC. Send (Message );
Message. Dispose ();
}
 Catch 
{
 Throw ;
}
 Finally 
{
Message = Null ;
SC = Null ;
}
}

 ///   <Summary>  
  ///  Authenication smtpclient
  ///   </Summary>  
  ///   <Param name = "userid">  User ID (sys-nyc1-sp)  </Param>  
 ///   <Param name = "password">  Password  </Param>  
  ///   <Returns>  Return smtpclient object  </Returns>  
          Private Smtpclient createsmtpclient ( String Userid, String Password)
{
Smtpclient client = Null ;
 Try 
{
 String Smtpserver = spadministrationwebapplication. Local. outboundmailserviceinstance. server. address;
Client = New Smtpclient (smtpserver );
Client. Credentials = New System. net. networkcredential (userid, password );
}
 Catch 
{
 Throw ;
}
 Return Client;
}

 ///   <Summary>  
  ///  Get mailmessage object
  ///   </Summary>  
  ///   <Param name = "from">  From  </Param> 
  ///   <Param name = "to">  To  </Param>  
  ///   <Param name = "cc">  CC  </Param>  
  ///   <Param name = "subject">  Subject  </Param>  
 ///   <Param name = "body">  Body  </Param>  
  ///   <Returns>  Return mailmessage object  </Returns>  
          Private Mailmessage buildmailmessage ( String From, String To, String CC,String Subject, String Body)
{
Mailmessage message = New Mailmessage ();
 Try 
{
Message. From = New Mailaddress (from );
Message. to. Add ();
 If (CC! = String . Empty)
Message. CC. Add (CC );
Message. Subject = subject;
Message. isbodyhtml = True ;
Message. Body = body;
}
 Catch 
{
 Throw ;
}
 Return Message;
}

}
}

2. The default port for Asp.net SSL is 465.CodeIs:

Mailmessage mess =New Mailmessage ();
Mess. From = New Mailaddress ( "  Ggggggghai@163.com  " );
 //  The send e-mail address must be correct.  
 Mess. Subject = This . Txttitle. Text. Trim ();
 //  Email Subject  
 Mess. isbodyhtml =True ;
Mess. bodyencoding = system. Text. encoding. utf8;
 //  Email code  
 Mess. Body = This . Txtcontent. Text. Trim ();
 //  Email body  
          
Smtpclient client = New Smtpclient ();
Client. Host = "  Smtp.163.com " ;
 //  The SMTP server must be correct. After testing, you can use smtp.sina.com (. cn) smtp.163.com smtp.126.com  
              If (Txtadd. Text! = "" )
{
Mess. attachments. Add ( New Attachment (txtadd. Text ));
}
Client. Credentials = New System. net. networkcredential ( "  Ggggggghai " , "  123456  " );
 //  Verify that the user name and password are correct.  
 Mess. to. Add ( New Mailaddress ( This . Txtreceiver. Text. Trim ()));
 //  The email address for receiving the email must be correct.  
              Try 
{
Client. Send (MESS );
MessageBox. Show ( "  Sent successfully!  " );
}
 Catch (Exception ee)
{
MessageBox. Show (EE. Message );
}
}

 Private   Void Form1_load ( Object Sender, eventargs E)
{
This . Txtsender. Text = "  G_zhanhai@163.com  " ;
}

 Private   Void Btnadd_click ( Object Sender, eventargs E)
{
 If (Openfiledialog1.showdialog () = dialogresult. OK)
{
Txtadd. Text = openfiledialog1.filename;
}
}