JavaMail Send mail Demo (text and attachments)

 PackageCom.get.one;ImportJavax.mail.BodyPart;ImportJavax.mail.Message;ImportJavax.mail.Multipart;Importjavax.mail.Session;ImportJavax.mail.Transport;Importjavax.mail.internet.*;ImportJava.util.*;Importjavax.activation.*; Public classTest7 {//Sender's mailbox and password (replaced by their mailbox and password)     Public StaticString Myemailaccount = "* * * @qq. com";  Public StaticString Myemailpassword = "*******";  Public Static classMailutils {PrivateString host = "";//SMTP Server        PrivateString from = "";//Sender Address        PrivateString to = "";//Recipient Address        PrivateString affix = "";//Attachment Address        PrivateString affixname = "";//Attachment name        PrivateString user = "";//User name        PrivateString pwd = "";//Password        PrivateString subject = "";//message Header        PrivateString msg = "";//Message Content                 PublicString getmsg () {returnmsg; }         Public voidsetmsg (String msg) { This. msg =msg; }         Public voidsetaddress (string from, string to, string subject) { This. from =From ;  This. to =to ;  This. Subject =subject; }         Public voidSetaffix (String affix, string affixname) { This. Affix =affix;  This. Affixname =Affixname; }         Public voidSend (string host, String user, string pwd) { This. Host =host;  This. user =user;  This. PWD =pwd; Properties Props=NewProperties (); //set the properties of the mail server to send mail (use NetEase's SMTP server here)Props.put ("Mail.smtp.host", host); //need to be authorized, that is, the user name and password verification, so as to pass verification (must have this)Props.put ("Mail.smtp.auth", "true");//Request Authentication RequiredProps.put ("Mail.smtp.port", "465"); Props.put ("Mail.smtp.socketFactory.port", "465"); Props.put ("Mail.smtp.socketFactory.class", "Javax.net.ssl.SSLSocketFactory"); Props.put ("Mail.smtp.socketFactory.fallback", "false"); //build a session with the props object you just set upSession session =session.getdefaultinstance (props); //with this sentence you can display the process information at the console during the sending of the message for debugging//(You can see the process of sending the message in the console)Session.setdebug (true); //defining a Message object with session parametersMimeMessage message =NewMimeMessage (session); Try {                //Load Sender AddressMessage.setfrom (Newinternetaddress (from)); //Load recipient addressMessage.addrecipient (Message.RecipientType.TO,Newinternetaddress (to)); //Load TitleMessage.setsubject (subject); //add various parts of the message to the multipart object, including text content and attachmentsMultipart Multipart =NewMimemultipart (); //set the text content of a messageBodyPart Contentpart =NewMimeBodyPart ();                Contentpart.settext (msg);                Multipart.addbodypart (Contentpart); if(!affix.equals ("")) {                    //Add an attachmentBodyPart Messagebodypart =NewMimeBodyPart (); DataSource Source=NewFiledatasource (affix); //Add the contents of an attachmentMessagebodypart.setdatahandler (NewDataHandler (source)); //Add a caption for an attachment//It is important to use the following BASE64 encoded conversion to ensure that your Chinese attachment header name is not garbled when it is sentSun.misc.BASE64Encoder enc =NewSun.misc.BASE64Encoder (); Messagebodypart.setfilename ("=? GBK?                            B? " + Enc.encode (affixname.getbytes ()) + "? =");                Multipart.addbodypart (Messagebodypart);                }; //Place the multipart object in the messagemessage.setcontent (multipart); //Save Messagemessage.savechanges (); //Send mailTransport Transport = Session.gettransport ("SMTP"); //connect to the server's mailboxTransport.connect (host, user, PWD); //Send the Mail outtransport.sendmessage (Message, message.getallrecipients ());            Transport.close (); } Catch(Exception e) {e.printstacktrace (); }        }         Public Static voidMain (string[] args) {mailutils cn=Newmailutils (); //set sender address, recipient address, and message headerCn.setaddress ("* * * @qq. com", "* * @qq. com", "JavaMail Mail with Attachments"); //set the text content to sendCn.setmsg ("This is the content ah"); //set the location and title of the attachment to send//cn.setaffix ("C:/kms10.log", "Kms10.log");                        /*** Set the SMTP server and mailbox account and password * The mailbox must have the POP3/SMTP service and the IMAP/SMTP service enabled * Because the program is a third-party login, the login password must be With authorization Code*/            //NOTE: [The authorization code is not the same as your usual login password]Cn.send ("smtp.qq.com", Myemailaccount, Myemailpassword); }    }}

JavaMail Send mail Demo (text and attachments)