How do you find someone's email address for free?

i need to find out for free a persons email address they have 4 email address and i need them all, who lives i australia. please help

everytime i go to a website that says its free, its only free to sign up. i want to find it for free, no questions ask. i am just looking for an old friend that i miss.

i had an online friend i use to talk to all the time, but i have not been online and i think they changed there email or are useing a different site how would i find this persons email to let them know i am on line again so we can chat.

The email is a verizon email address.

I'm trying to find a relative. I only know the last state they were in and their names and approximate ages. Everywhere I go someone wants to charge me. Is there a way to see if they have an email address?

I know its an MSN account but I don't know the rest of it, is their a free lookup? Thiers a bunch that say they are free but arn't?

Well, I just met this girl, that has a condo by my house, so we exchanged emails, but I am not sure if I have the right one, and I don't know her last name. Is there any way I can check this- for free to see if it is the right one?

Can I find out if I have been put on someones blocked email address list so they don't recieve emails from me? Is there a way to find out this information? Where can I find out if my emails to a certain email address are being blocked by that person...

my mothers cousins live in new york and she wants to get back in contact with them . . is there a way i can find there email address..? i found their address in the white pages but i cant find their email address PLEASE HELP :) (i live in ireland + is...