For me it would be too much bother to change all those sites I use it to, A REAL PAIN :-)

I have given up blocking, every single one every day, day after day. I am now just right clicking my mouse (MAC), or with the touch pad (CB) on the JUNK folder then clicking on, "EMPTY." faster and does not send it all to the DELETE folder, ALL GONE, one step :-).

My Wife gets plenty also in her Yahoo addy.