javamail - Java Mail authentication and connection -

while trying connect through java mail server responding unexpected

the problem same program connects , mails times throws

javax.mail.authenticationfailedexception: eof on socket @ com.sun.mail.pop3.pop3store.protocolconnect(pop3store.java:208) @ javax.mail.service.connect(service.java:295) @ javax.mail.service.connect(service.java:176) @ newpackage.pmspop3client.main(pmspop3client.java:44)

error

when server says

s: +ok hello there. c: capa  s: +ok here's can do: 

i can connect , fetch mails

s: eof 

i cant connect server

my code

import java.util.; import javax.mail.; import javax.mail.event.connectionevent; import javax.mail.event.connectionlistener; import javax.mail.internet.*;

public class pmspop3client {

public static void main(string[] args) throws exception {     try {          string host = "host";         string user = "user";         string password = "pass";         properties props = system.getproperties();         session session = session.getdefaultinstance(props);         session.setdebug(true);         store store = session.getstore("pop3");         system.out.println("store.geturlname() = " + store.geturlname());         store.connect(host, user, password);         folder folder = store.getfolder("inbox");         folder.open(folder.read_only);         message[] messages = folder.getmessages();         (int = 0; < messages.length; i++) {             system.out.println("------------ message " + (i + 1) + " ------------");             string = internetaddress.tostring(messages[i].getfrom());             if (from != null) {                 system.out.println("from: " + from);             }             string replyto = internetaddress.tostring(                     messages[i].getreplyto());             if (replyto != null) {                 system.out.println("reply-to: " + replyto);             }             string = internetaddress.tostring(                     messages[i].getrecipients(message.recipienttype.to));             if (to != null) {                 system.out.println("to: " + to);             }             string cc = internetaddress.tostring(                     messages[i].getrecipients(message.recipienttype.cc));             if (cc != null) {                 system.out.println("cc: " + cc);             }             string bcc = internetaddress.tostring(                     messages[i].getrecipients(message.recipienttype.bcc));             if (bcc != null) {                 system.out.println("bcc: " + to);             }             string subject = messages[i].getsubject();             if (subject != null) {                 system.out.println("subject: " + subject);             }             date sent = messages[i].getsentdate();             if (sent != null) {                 system.out.println("sent: " + sent);             }             date received = messages[i].getreceiveddate();             if (received != null) {                 system.out.println("received: " + received);             }             system.out.println();         }          folder.close(true);         store.close();     } catch (exception e) {         e.printstacktrace();     } } } 

you should try using pop3s protocal instead of pop3 following

store store = session.getstore("pop3s");