MaxBulk Mailer is just a software which helps to give you easy to use and full featured bulk email sending. So it's obvious a software doesn't have it;s on ip dear.
Thanks for the link and this thread guys. I did the same on my store and I was scratching my head what is happening. It's nice to get the solution.. :)
Re: Integrate email field only into existing yahoo store sid
Thanks for sharing the important source code. That was really helpful. Do you have any share for yahoo store redesigning??