I am taking a stab at this*
I have a verizon premium Isp service in New Hampshire. They give u a choice of Yahoo or Msn as their default package. They are pushing u to take the yahoo for some reason. Yahoo is "trying" to compete a little with google. They have a very good email program (I love & use it as my default) and 2 others. Yahoo is trying to push their email program as one of the safest and reliable on the market. I am guessing it is upgrading and doing stuff to it and it is some kind of redirect. Nothing seemed to change from the 1st page to the 2nd though ? I do not care so much for their norton virus scan on their emails though, sometimes it freezes up on sending....