The program of JavaMail to send email by using gmail SMTP server was working correctly in Windows 7. When I tested the program in Windows XP in a different machine, then the email is not going. Either Messaging or SendMail exception comes. I have used JDK1.6 and NetBeans 5.5 in both the machines.
Kindly let me know whether the problem is because of change of OS (in which case some changes in coding may be needed) or some setting needs to be done in NetBeans, which was taken automatically in Windows 7.
The code is=