Java Mail mystery - SMTP blocked?

Question

I have a Java program which uses javax.mail to send an SMTP message. This program works fine on a Linux box, I want to emphasize that beforehand. When I try this same cod

Answer 1

I had similar issue but strangely everything was working fine with jdk 1.6 once I install jdk 1.7 I got the exception. I wonder what could be the reason for this!

After adding IPV4 argument it is working fine..Thank you so much.