How can i get someone elses e-mail address?

A lady known as sherry moragn is messaging me saying that she's gonna die after somedays & want me to be her benefisher. What shud i do? Shud is belive on this story? And when i asked her that how did u get my e-mail address then she said that she got it frm the code directory. What's this "code directory" she's talking about? Can we get someone elses e-mail address through this code directory?