How do you add a person if you know their email only?

how can i add some one ?

I just to know if this a good person only email add he gave me [email protected], he just offering me a job there in United Kingdom as a nanny of his one and only child, son a 7yrs old name is Ken. I just want to make sure before i can move to her...

I have a friend who has an email on yahoo and told me her email but I don't know any ways that I can find this person and how to add them to my freinds on yahoo.com.

well im trying to add this person that i knew way bak but i ended up moving and we were close frends, i found her myspace but when i go to add her it says u need her email adress-- i kno only part but i just dont know what messenger site--4 example jonybannas...

Well 2 weeks ago I sold a Runescape account for 30$ and that person claimed they sent me an eCheck. So she sent me the Payment information Original Transaction Date Type Status Details Amount Dec 15, 2011 Payment To f***[email protected] Your eCheck payment...

I am using Outlook 2001 for Mac. When I get an email from someone, I need to know how to quickly add that person as a contact. I remember that when I used Entourage, there was a quick way to do this. Have to copy and paste both their first name, lastname...