Java implementation of mail delivery

Java Implementation of mail delivery

/** * */ Package com.email; /** * <p>description: </p> * @author Chu Kaixin * @date June 6, 2018 * */ Import Javax.mail.Authenticator; Import javax.mail.PasswordAuthentication; /** * Server mailbox */ public class Mailauthenticator extends authenticator{ /** * User Name */ Private String username; /** * Login Password */ private String password; /** * Inheriting the authenticator class requires overriding this method */ @Override Protected Passwordauthentication getpasswordauthentication () { return new Passwordauthentication (Username,password); } Public Mailauthenticator () { } Public Mailauthenticator (string Username, string password) { This.username = Username; This.password = password; } Public String GetUserName () { return username; } Public String GetPassword () { return password; } }

/** * */ Package com.email; /** * <p>description: </p> * @author Chu Kaixin * @date June 6, 2018 * */ /** * Mail Object */ public class Mail { /** * Mail Title */ Private String subject; /** * Email Content */ Private String content; Public Mail () { } Public Mail (string subject, string content) { This.subject = subject; this.content = content; } Public String Getsubject () { return subject; } public void Setsubject (String subject) { This.subject = subject; } Public String getcontent () { return content; } public void SetContent (String content) { this.content = content; } }

/** * */ Package com.email; Import java.security.GeneralSecurityException; /** * <p>description: </p> * @author Chu Kaixin * @date June 6, 2018 * */ Import java.util.List; Import java.util.Properties; Import javax.mail.MessagingException; Import javax.mail.Session; Import Javax.mail.Transport; Import javax.mail.internet.AddressException; Import javax.mail.internet.InternetAddress; Import Javax.mail.internet.MimeMessage; Import Javax.mail.internet.MimeMessage.RecipientType; Import Com.sun.mail.util.MailSSLSocketFactory; /** * Mail Sender: Can be single, can be mass */ public class MailSender { /** * Properties file for sending mail */ Private final transient Properties props = system.getproperties (); /** * Server Mailbox Login Verification */ private transient mailauthenticator mailauthenticator; /** * Email Session */ private transient session session; /** * Initialize the mailbox sender * * @param mailserviceurl * Server Email address * @param username * Server mailbox User name * @param password * Server Mailbox Login Password */ Public MailSender (final string mailserviceurl,final string username, final string password) { Init (mailserviceurl, username, password); } /** * Initialize the mailbox sender * * @param username * Server mailbox User name * @param password * Server Mailbox Login Password */ Public MailSender (final string username, final string password) { Resolves an SMTP server through a mailbox address, which works for most mailboxes Final String Mailserviceurl = "smtp." + Username.split ("@") [1]; Init (mailserviceurl, username, password); } /** * Initialization operation * * @param mailserviceurl * Server Email address * @param username * Server mailbox User name * @param password * Server Mailbox Login Password */ public void init (string mailserviceurl, string Username, string password) { Initialize Props Props.put ("Mail.smtp.auth", "true"); Props.put ("Mail.smtp.host", Mailserviceurl); Mailsslsocketfactory SF; try { SF = new Mailsslsocketfactory (); Sf.settrustallhosts (TRUE); Props.put ("Mail.smtp.ssl.enable", "true"); Props.put ("Mail.smtp.ssl.socketFactory", SF); } catch (Generalsecurityexception e) { TODO auto-generated Catch block E.printstacktrace (); } Server Mailbox Validation Mailauthenticator = new Mailauthenticator (username, password); Create a session and want to log in as a mailbox Session = Session.getinstance (props, mailauthenticator); } /** * Send mail * * @param recipient * Email address of the person receiving the letter * @param subject * Mail Title * @param content * Email Content * @throws addressexception * @throws messagingexception */ public void Send (string recipient, string subject, string content) throws Addressexception, messagingexception{ Creating MIME-type messages Final MimeMessage msg = new MimeMessage (session); Set Sender Msg.setfrom (New InternetAddress (Mailauthenticator.getusername ())); Set up the recipient. Msg.setrecipient (recipienttype.to, New InternetAddress (recipient)); Set the message header Msg.setsubject (subject); Set up message content Msg.setcontent (Content, "text/html;charset=utf-8"); Send mail Transport.send (msg); } /** * Mass Mailing * * @param recipients * Email address of the person receiving the letter * @param subject * Mail Title * @param content * Email Content * @throws addressexception * @throws messagingexception */ public void Send (list<string> recipients, string subject, string content) throws Addressexception, messagingexception{ Creating MIME-type messages Final MimeMessage msg = new MimeMessage (session); Set Sender Msg.setfrom (New InternetAddress (Mailauthenticator.getusername ())); Set up the people who receive the message int num = Recipients.size (); Internetaddress[] addresses = new Internetaddress[num]; for (int i = 0; i < num; i++) { Addresses[i] = new InternetAddress (Recipients.get (i)); } Msg.setrecipients (recipienttype.to, addresses); Set the message header Msg.setsubject (subject); Set up message content Msg.setcontent (Content, "text/html;charset=utf-8"); Transport.send (msg); } /** * Send mail * * @param recipient * Email address of the person receiving the letter * @param mail * Mail Object * @throws addressexception * @throws messagingexception * @throws */ public void Send (String recipient, mail mail) throws Addressexception, messagingexception{ This.send (recipient, Mail.getsubject (), mail.getcontent ()); } /** * Mass Mailing * * @param recipients * Email address of the person receiving the letter * @param mail * Mail Object * @throws addressexception * @throws messagingexception * @throws */ public void Send (list<string> recipients, mail mail) throws Addressexception, messagingexception{ This.send (Recipients, Mail.getsubject (), mail.getcontent ()); } }

/** * */ Package com.email; /** * <p>description: </p> * @author Chu Kaixin * @date June 6, 2018 * */ Import javax.mail.MessagingException; Import javax.mail.internet.AddressException; /** * Test Send mail */ public class MailTest { public static void Main (string[] args) { Sender Email Address: Fill out the email address you want to send out String username = "[email protected]"; Sender Mailbox Login Password: Here fill in the mailbox to send the login password can String password = "Akxpgntfdbtubcja"; Akxpgntfdbtubcja Vulyumdckcaibfga Akxpgntfdbtubcja Create a Mailbox Sender MailSender MailSender = new MailSender (Username,password); Mailbox Object Mail mail = new mail ("Zhukaixin", "I am the most handsome man in the World"); Recipient's email address: here to fill in the address of the mail inbox String recipient = "[email protected]"; try { Mailsender.send (recipient, mail); } catch (Addressexception e) { System.out.println ("Sender's mailbox path is incorrect ..."); E.printstacktrace (); } catch (Messagingexception e) { SYSTEM.OUT.PRINTLN ("message sent failed ..."); E.printstacktrace (); } SYSTEM.OUT.PRINTLN ("Send successfully ..."); } }

Java implementation of mail delivery