Why is it that several of my friends are blocked and can't email me. If they are blocked can I unblock them?

I want to unblock an email address. Where the heck is it?

Her email does not go to spam folder

Okay so maybe a month ago, my email got hacked and started sending everyone spam messages.. and just today i tried logging onto my hotmail account, but when i put in the password it came up with a page that says (I'll copy and paste the page) - YOUR...

i accidently blocked someone and i got a response that if i go to preferences>ignore list , that i could unblock them but i cant even find preferences or my blocked list

I accidently blocked an email address on my yahoo email. Now I am having issues finding out how to unblock it.

because they are also blocked so how do you unblock blocked proxies

images on yahoo email are blocked...how do I unblock ?

I blocked or spammed an email and I need to ok so that I can receive mail from this email.

My friends say that cant seem to write on my wall , BUT i HAVEN'T blocked anyone off of my wall & my wall post are enabled . but it still wont work . what can i do to fix this ?