Tested with 163 mailbox and supports SSL connections. Send mail

Example: Jack sends an e-mail to Rose.

public class SendMail {PublicStaticvoid Main (String[] (args) {Boolean ISSSL =TrueString host ="Smtp.163.com";int port =465;String from ="[Email protected]";String to ="[Email protected]";Boolean Isauth =TrueFinalString username ="[Email protected]";FinalString Password ="Jack"; Properties props =New Properties (); Props.put ("Mail.smtp.ssl.enable", Isssl); Props.put ("Mail.smtp.host", host); Props.put ("Mail.smtp.port", port); Props.put ("Mail.smtp.auth", Isauth); Session session = Session.getdefaultinstance (props,New Authenticator () {@OverrideProtected Passwordauthentication getpasswordauthentication () {ReturnNew Passwordauthentication (username, password); }        });try {Message message =New MimeMessage (session);            Message.setfrom ( new InternetAddress (from));            Message.addrecipient (Message.RecipientType.TO, new InternetAddress (to));            Message.setsubject ("subject");            Message.settext ("content");        Transport.send (message);        } catch (Addressexception e) {e.printstacktrace ();        } catch (Messagingexception e) {e.printstacktrace (); } System.out. println ("Send complete!    "); }}

Receive mail

Example: Rose receives a recent email.

Import Java.util.Date;Import java.util.Properties;Import Javax.mail.Folder;Import Javax.mail.Message;Import javax.mail.MessagingException;Import javax.mail.NoSuchProviderException;Import javax.mail.Session;Import Javax.mail.Store;public class FetchMail {PublicStaticvoid Main (String[] (args) {String protocol ="POP3";Boolean ISSSL =TrueString host ="Pop.163.com";int port =995;String username ="[Email protected]";String Password ="Rose"; Properties props =New Properties (); Props.put ("Mail.pop3.ssl.enable", Isssl); Props.put ("Mail.pop3.host", host); Props.put ("Mail.pop3.port", port); Session session = Session.getdefaultinstance (props); Store store =Null Folder folder =Nulltry {store = session.getstore (protocol); Store.connect (username, password); folder = Store.getfolder ("INBOX"); Folder.Open (folder.read_only);IntSize = Folder.getmessagecount (); Message message = Folder.getmessage (size);String from = Message.getfrom () [0].tostring ();String subject = Message.getsubject (); Date date = Message.getsentdate (); System.out.println "from:" + from); System.out. println ( "Subject:" + Subject); System.out. println ( "date:" + date);} catch (nosuchproviderexception e) {e.printstacktrace ();} catch (messagingexception e) {e.printstacktrace ();} finally {try {if (folder != null) {Folder.close (false);} if (store! = null) {store.close ();}} catch (messagingexception e) {e.printstacktrace ();}} System.out. println ( "reception complete! "); }} 

Common mail Protocols

Send mail: SMTP

Receive mail: POP3, IMAP

Common mail Configuration Items

Configuration Items	Description
Mail.xxx.ssl.enable	Whether to support SSL connection
Mail.xxx.host	Mail server host Name
Mail.xxx.port	Mail server port number
Mail.xxx.auth	Whether to authenticate

Description: XXX represents the protocol name, for example: SMTP, POP3, and so on.

Default port number

	Smtp	POP3	Imap
Normal way	25	110	143
SSL mode	465	995	993

Send mail using Apache Commons email

Import Org.apache.commons.mail.Email;Import org.apache.commons.mail.EmailException;Import Org.apache.commons.mail.SimpleEmail;public class SendMail {PublicStaticvoid Main (String[] (args) {Boolean ISSSL =TrueString host ="Smtp.163.com";int port =465;string from =  "[email protected]"; string to =  "[email protected]"; string username =  "[email protected]"; string password = " Jack "; try {e-mail = new simpleemail (); Email.setsslonconnect ( ISSSL); Email.sethostname (host); Email.setsmtpport (port); Email.setauthentication (username, password); Email.setfrom (from); Email.addto (to); Email.setsubject (catch (emailexception e) {e.printstacktrace ();} System.out. println ( "sent complete! "); }}

Reference: http://commons.apache.org/proper/commons-email/userguide.html

Finish

Tested with 163 mailbox and supports SSL connections. Send mail