Java Mail : No provider for smtp

Question

I am using JavaMail to do a simple application that sends an email when it finds some files in a directory. I managed to get it worked from Eclipse. I Run the application an

Answer 1

I had the same problem.

You can fix it by making the Runnable JAR file in Eclipse and using library handling options. Select the second one when making your JAR, the one that says "Package required libraries into generated JAR".