I have data in my worksheet

A B C
1 Jhon Jhon@Yahoo.com please return the book which have been borrowed
2 Mark Mark@gmail.com
3 Madon masdon@msn.com
4 Tasya tasya@office.com

I want send email one by one from the column B which have messages in column C with one click.
Any body help me?

rgds,
wawan