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Exception When Sending Mail (Suffering for long time)

Bibhishan Karadkar
Posts: 10
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I have a problem of sending javamail, my application of sending a mail is working fine at home on standalone machine with dial-up connection but problem at work on network ,
It is showing following error
javax.mail.SendFailedException: Sending failed; nested exception is: javax.mail.MessagingException: Unknown SMTP host:; nested exception is:

I checked at telnet my hosts 25 & 110
my host with port 25
it replying Microsoft SMTP MAIL ready at Mon, 8 Oct 2001 11:56:42 +0530 Versi
on: 5.5.1877.467.46
220 ESMTP spoken here
& port 110 it replying with
+OK Microsoft POP3 Server Version: 5.5.1877.117.11 ready <169.1992250112@ip.eth.
any problem with my network any sugessions please
please help me in detail beca. I am new to networking
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