javaMail : relaying not allowed : Help

[nehajoshi joshineha]

Hi,
I am developing a mail client using the javaMail API. I am getting an exception while sending the mails throgh

transport.sendMessage()
javax.mail.SendFailedException: 530 5.7.1 Relaying not allowed:

Please , provide me a solution for the above problem as soon as possible.

Thanking you
[e-mail]

[Tina Coleman]

You need to talk to the administrators of the server that you're sending your mail through. There's nothing you can do from a coding perspective - this has to do with what permissions they're allowing on the server, and what they're not allowing to try to protect against things like their machine being used as a Spam-in-ator.