Java Send mail

 PackageCom.dailywork.util;Importjava.io.UnsupportedEncodingException;Importjava.util.Properties;ImportJavax.activation.DataHandler;ImportJavax.activation.FileDataSource;ImportJavax.mail.BodyPart;ImportJavax.mail.Message;Importjavax.mail.MessagingException;ImportJavax.mail.Multipart;Importjavax.mail.Session;ImportJavax.mail.Transport;Importjavax.mail.internet.InternetAddress;ImportJavax.mail.internet.MimeBodyPart;ImportJavax.mail.internet.MimeMessage;ImportJavax.mail.internet.MimeMultipart;Importjavax.mail.internet.MimeUtility;  Public classEmailmanager {PrivateProperties props;//System Properties    PrivateSession session;//Mail Session Object    PrivateMimeMessage mimemsg;//MIME Message Object    PrivateMultipart MP;//multipart objects, message contents, headers, attachments, and so on are added to the MimeMessage object          /*** Constructor *@paramSMTP mail sending server*/     PublicEmailmanager () {Props=system.getproperties (); Props.put ("Mail.smtp.auth", "false"); Session= Session.getdefaultinstance (Props,NULL); Session.setdebug (true); Mimemsg=NewMimeMessage (session); MP=NewMimemultipart (); }      /*** Constructor *@paramSMTP mail sending server*/     PublicEmailmanager (string smtp, string username, string password) {props=system.getproperties (); Props.put ("Mail.smtp.auth", "true"); Props.put ("Mail.smtp.host", SMTP); Props.put ("Username", username); Props.put ("Password", password); Session= Session.getdefaultinstance (Props,NULL); Session.setdebug (true); Mimemsg=NewMimeMessage (session); MP=NewMimemultipart (); }      /*** Send mail*/      Public BooleanSendMail (string from, string["to, string[] CopyTo, string subject, string content, string filename) {Try {            //Set SenderMimemsg.setfrom (Newinternetaddress (from)); //set the recipient.             for(inti = 0; i < to.length; i++) {mimemsg.setrecipients (Message.RecipientType.TO, Internetaddress.parse (To[i])); }            //Set cc people             for(inti = 0; i < copyto.length; i++) {mimemsg.setrecipients (Message.RecipientType.CC, Internetaddress.parse (Copyto[i])); }            //Set ThemeMimemsg.setsubject (subject); //Set BodyBodyPart BP =NewMimeBodyPart (); Bp.setcontent (Content,"Text/html;charset=utf-8");            Mp.addbodypart (BP); //Setting Attachmentsbp =NewMimeBodyPart (); Filedatasource fileds=Newfiledatasource (filename); Bp.setdatahandler (NewDataHandler (fileds)); Bp.setfilename (Mimeutility.encodetext (Fileds.getname (),"UTF-8", "B"));             Mp.addbodypart (BP);             Mimemsg.setcontent (MP);             Mimemsg.savechanges (); //Send mail            if(Props.get ("Mail.smtp.auth"). Equals ("true") {Transport Transport= Session.gettransport ("SMTP"); Transport.connect (String) props.get ("Mail.smtp.host"), (String) props.get ("username"), (String) props.get ("Password"));                 Transport.sendmessage (Mimemsg, Mimemsg.getrecipients (Message.RecipientType.TO));                 Transport.sendmessage (Mimemsg, Mimemsg.getrecipients (Message.RecipientType.CC));             Transport.close (); }Else{transport.send (mimemsg); } System.out.println ("Mail sent successfully"); } Catch(messagingexception e) {//TODO auto-generated Catch blockE.printstacktrace (); } Catch(unsupportedencodingexception e) {//TODO auto-generated Catch blockE.printstacktrace (); }        return true; }          Public Static voidMain (string[] args) {String smtp= "Smtp.163.com"; String username= "[Email protected]"; String Password= "XXX"; String from= "[Email protected]"; String[] to= {"[Email protected]"}; String[] CopyTo= {"[Email protected]"}; String subject= "Subject"; String content= "Message Content"; String filename= "D:\\xxx.txt"; Emailmanager Email=NewEmailmanager (SMTP, username, password);    Email.sendmail (from, to, CopyTo, subject, content, filename); }     }

Java Send mail