Java.io.IOException: Unexpected response: 220

Question

Hi,
I am trying to read mails from my inbox.I dont get error during compiling the code but get the below error while executing.Can any help me.And also i am able to send mails but can't read it from inbox.
Thanks in advance.
Output
Session complete
Store complete
javax.mail.MessagingException: Connect failed;
  nested exception is:
        java.io.IOException: Unexpected response: 220 Host Name Micros
oft ESMTP MAIL Service, Version: 6.0.3790.1830 ready at  Tue, 10 Apr 2007 12:14:
05 +0530code
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
import java.io.*;
import java.util.Properties;
class Readmail
public static void main(String[] args) throws Exception
try
// Create empty properties
// Get system properties
   Properties props = new Properties();
   props.put("mail.store.protocol", "pop3");
    props.put("mail.pop3.port", "25");
   props.put("mail.pop3.host", "hostname");
    props.put("mail.pop3.auth", "true");
// Get session
Session session = Session.getDefaultInstance(props, null);
// Get the store
System.out.println("Session complete");
Store store = session.getStore("pop3");
System.out.println("Store complete");
store.connect("hostname",25,"id","password");
System.out.println(store.isConnected());
// Get folder
Folder folder = store.getDefaultFolder();
folder = store.getFolder("INBOX");
folder.open(Folder.READ_ONLY);
// Get directory
Message message[] = folder.getMessages();
for (int i=0, n=message.length; i<n; i++)
   System.out.println(i + ": " + message.getFrom()[0]
+ "\t" + message[i].getSubject());
// Close connection
folder.close(false);
store.close();
}catch(Exception e){System.out.println(e);}

Answer 1

Thanks Drclap i got telnet.
Hi bshannon ,
The trace received for my company id and below that is for gmailid and also my code below that.
DEBUG: JavaMail version 1.4ea
DEBUG: java.io.FileNotFoundException: C:\jdk1.4.2\jre\lib\javamail.providers (Th
e system cannot find the file specified)
DEBUG: URL jar:file:/C:/jdk1.4.2/jre/lib/ext/imap.jar!/META-INF/javamail.provide
rs
DEBUG: successfully loaded resource: jar:file:/C:/jdk1.4.2/jre/lib/ext/imap.jar!
/META-INF/javamail.providers
DEBUG: URL jar:file:/C:/jdk1.4.2/jre/lib/ext/pop3.jar!/META-INF/javamail.provide
rs
DEBUG: successfully loaded resource: jar:file:/C:/jdk1.4.2/jre/lib/ext/pop3.jar!
/META-INF/javamail.providers
DEBUG: URL jar:file:/C:/jdk1.4.2/jre/lib/ext/smtp.jar!/META-INF/javamail.provide
rs
DEBUG: successfully loaded resource: jar:file:/C:/jdk1.4.2/jre/lib/ext/smtp.jar!
/META-INF/javamail.providers
DEBUG: successfully loaded resource: /META-INF/javamail.default.providers
DEBUG: Tables of loaded providers
DEBUG: Providers Listed By Class Name: {com.sun.mail.smtp.SMTPSSLTransport=javax
.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Sun Microsyste
ms, Inc], com.sun.mail.smtp.SMTPTransport=javax.mail.Provider[TRANSPORT,smtp,com
.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc], com.sun.mail.imap.IMAPSSLSt
ore=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Sun Microsyst
ems, Inc], com.sun.mail.pop3.POP3SSLStore=javax.mail.Provider[STORE,pop3s,com.su
n.mail.pop3.POP3SSLStore,Sun Microsystems, Inc], com.sun.mail.imap.IMAPStore=jav
ax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc],
com.sun.mail.pop3.POP3Store=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP
3Store,Sun Microsystems, Inc]}
DEBUG: Providers Listed By Protocol: {imaps=javax.mail.Provider[STORE,imaps,com.
sun.mail.imap.IMAPSSLStore,Sun Microsystems, Inc], imap=javax.mail.Provider[STOR
E,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc], smtps=javax.mail.Prov
ider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Sun Microsystems, Inc],
pop3=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Sun Microsy stem
s, Inc], smtp=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport
,Sun Microsystems, Inc], pop3s=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3
.POP3SSLStore,Sun Microsystems, Inc]}
DEBUG: successfully loaded resource: /META-INF/javamail.default.address.map
DEBUG: URL jar:file:/C:/jdk1.4.2/jre/lib/ext/smtp.jar!/META-INF/javamail.address
.map
DEBUG: successfully loaded resource: jar:file:/C:/jdk1.4.2/jre/lib/ext/smtp.jar!
/META-INF/javamail.address.map
DEBUG: java.io.FileNotFoundException: C:\jdk1.4.2\jre\lib\javamail.address.map (
The system cannot find the file specified)
DEBUG: setDebug: JavaMail version 1.4ea
Session complete
DEBUG: getProvider() returning javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.
POP3Store,Sun Microsy stems, Inc]
Store complete
DEBUG POP3: connecting to host "Hostname", port 110, isSSL false
javax.mail.MessagingException: Connect failed;
  nested exception is:
        java.net.ConnectException: Connection refused: connect
javax.mail.MessagingException: Connect failed;
  nested exception is:
        java.net.ConnectException: Connection refused: connect
        at com.sun.mail.pop3.POP3Store.protocolConnect(POP3Store.java:148)
        at javax.mail.Service.connect(Service.java:275)
        at javax.mail.Service.connect(Service.java:156)
        at Readmail.main(Readmail.java:52)
Caused by: java.net.ConnectException: Connection refused: connect
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:305)
        at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:171)
        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:158)
        at java.net.Socket.connect(Socket.java:452)
        at java.net.Socket.connect(Socket.java:402)
        at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:232)
        at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:189)
        at com.sun.mail.pop3.Protocol.<init>(Protocol.java:81)
        at com.sun.mail.pop3.POP3Store.getPort(POP3Store.java:201)
        at com.sun.mail.pop3.POP3Store.protocolConnect(POP3Store.java:144)
        ... 3 moreGmail trace
DEBUG: JavaMail version 1.4ea
DEBUG: java.io.FileNotFoundException: C:\jdk1.4.2\jre\lib\javamail.providers (Th
e system cannot find the file specified)
DEBUG: URL jar:file:/C:/jdk1.4.2/jre/lib/ext/imap.jar!/META-INF/javamail.provide
rs
DEBUG: successfully loaded resource: jar:file:/C:/jdk1.4.2/jre/lib/ext/imap.jar!
/META-INF/javamail.providers
DEBUG: URL jar:file:/C:/jdk1.4.2/jre/lib/ext/pop3.jar!/META-INF/javamail.provide
rs
DEBUG: successfully loaded resource: jar:file:/C:/jdk1.4.2/jre/lib/ext/pop3.jar!
/META-INF/javamail.providers
DEBUG: URL jar:file:/C:/jdk1.4.2/jre/lib/ext/smtp.jar!/META-INF/javamail.provide
rs
DEBUG: successfully loaded resource: jar:file:/C:/jdk1.4.2/jre/lib/ext/smtp.jar!
/META-INF/javamail.providers
DEBUG: successfully loaded resource: /META-INF/javamail.default.providers
DEBUG: Tables of loaded providers
DEBUG: Providers Listed By Class Name: {com.sun.mail.smtp.SMTPSSLTransport=javax
.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Sun Microsyste
ms, Inc], com.sun.mail.smtp.SMTPTransport=javax.mail.Provider[TRANSPORT,smtp,com
.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc], com.sun.mail.imap.IMAPSSLSt
ore=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Sun Microsyst
ems, Inc], com.sun.mail.pop3.POP3SSLStore=javax.mail.Provider[STORE,pop3s,com.su
n.mail.pop3.POP3SSLStore,Sun Microsystems, Inc], com.sun.mail.imap.IMAPStore=jav
ax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc],
com.sun.mail.pop3.POP3Store=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP
3Store,Sun Microsystems, Inc]}
DEBUG: Providers Listed By Protocol: {imaps=javax.mail.Provider[STORE,imaps,com.
sun.mail.imap.IMAPSSLStore,Sun Microsystems, Inc], imap=javax.mail.Provider[STOR
E,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc], smtps=javax.mail.Prov
ider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Sun Microsystems, Inc],
pop3=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Sun Microsy stem
s, Inc], smtp=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport
,Sun Microsystems, Inc], pop3s=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3
.POP3SSLStore,Sun Microsystems, Inc]}
DEBUG: successfully loaded resource: /META-INF/javamail.default.address.map
DEBUG: URL jar:file:/C:/jdk1.4.2/jre/lib/ext/smtp.jar!/META-INF/javamail.address
.map
DEBUG: successfully loaded resource: jar:file:/C:/jdk1.4.2/jre/lib/ext/smtp.jar!
/META-INF/javamail.address.map
DEBUG: java.io.FileNotFoundException: C:\jdk1.4.2\jre\lib\javamail.address.map (
The system cannot find the file specified)
DEBUG: setDebug: JavaMail version 1.4ea
Session complete
DEBUG: getProvider() returning javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.
POP3Store,Sun Microsy stems, Inc]
Store complete
DEBUG POP3: connecting to host "pop.gmail.com", port 110, isSSL false
javax.mail.MessagingException: Connect failed;
  nested exception is:
        java.net.ConnectException: Connection timed out: connect
javax.mail.MessagingException: Connect failed;
  nested exception is:
        java.net.ConnectException: Connection timed out: connect
        at com.sun.mail.pop3.POP3Store.protocolConnect(POP3Store.java:148)
        at javax.mail.Service.connect(Service.java:275)
        at javax.mail.Service.connect(Service.java:156)
        at Readmail.main(Readmail.java:52)
Caused by: java.net.ConnectException: Connection timed out: connect
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:305)
        at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:171)
        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:158)
        at java.net.Socket.connect(Socket.java:452)
        at java.net.Socket.connect(Socket.java:402)
        at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:232)
        at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:189)
        at com.sun.mail.pop3.Protocol.<init>(Protocol.java:81)
        at com.sun.mail.pop3.POP3Store.getPort(POP3Store.java:201)
        at com.sun.mail.pop3.POP3Store.protocolConnect(POP3Store.java:144)
        ... 3 moreCode
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
import java.io.*;
import java.util.Properties;
public class Readmail
public static void main(String[] args) throws Exception
try
    Properties props = new Properties();
    props.put("mail.store.protocol", "pop3");
    props.put("mail.pop3.host", "hostname");
    props.put("mail.pop3.auth", "true");
    props.put("mail.debug", "true");
    props.put("mail.debug.quote", "true");
// Get session
Session session = Session.getInstance(props, new MyAuthenticator("userid","password"));
session.setDebug(true);
// Get the store
System.out.println("Session complete");
Store store = session.getStore("pop3");
System.out.println("Store complete");
store.connect("hostname","userid","password");
System.out.println(store.isConnected());
// Get folder
Folder folder = store.getDefaultFolder();
folder = store.getFolder("INBOX");
folder.open(Folder.READ_ONLY);
// Get directory
Message message[] = folder.getMessages();
for (int i=0, n=message.length; i<n; i++)
   System.out.println(i + ": " + message.getFrom()[0]
+ "\t" + message[i].getSubject());
// Close connection
folder.close(false);
store.close();
}catch(Exception e){System.out.println(e);e.printStackTrace();}