a la reception j'utilise gmail ou hotmail et ça me renvois:

Exception in thread "main" javax.mail.MessagingException: Connect failed;
  nested exception is:
java.net.UnknownHostException: pop3hot.com
at com.sun.mail.pop3.POP3Store.protocolConnect(POP3Store.java:161)
at javax.mail.Service.connect(Service.java:288)
at javax.mail.Service.connect(Service.java:169)
at javax.mail.Service.connect(Service.java:118)
at mail.MailReceiver.getMessages(MailReceiver.java:87)
at mail.MailReceiver.main(MailReceiver.java:116)
Caused by: java.net.UnknownHostException: pop3hot.com
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:233)
at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:189)
at com.sun.mail.pop3.Protocol.<init>(Protocol.java:94)
at com.sun.mail.pop3.POP3Store.getPort(POP3Store.java:214)
at com.sun.mail.pop3.POP3Store.protocolConnect(POP3Store.java:157)
... 5 more


quelqu'un a t il une idée?
merci