Mass email

I want to send one announcement to a lot of the people I have in my email contacts. I have seen other people send out announcements and a whole list of people was contacted at one time with that announcement attached. How can I do that? I have just been emailing one person at a time with the same announcement and it is killing me!!

I am not very computer savy, so could you take pitty on me and explain in steps like 1st thing to do, 2nd thing you do, and so on, just like you were explaining it to a 2 year old.

HELP!!

Thanks

Can someone tell me or direct me to a website that can teach me how to add a link so ppl can be added to an email newsletter? I want to be able to add it to a website and have them enter their email addy and be able to send a mass email newsletter to all who sign up…help?
Why would I need Yahoo Groups? I want a box on my webpage that all they have to do is enter their email addy to sign up for a free email newsletter….I just dunno how.