hi, i have a question, how to use the built in "mail" to use it with my yahoo e-mail ??? i can't seems to get it work, but strangelly it works flawlessly on my "mail" iPhone. i can't understand why it can work on iphone but can't work on my macbook, can anyone help me to set it up ?? i know i can pay to get POP acces with yahoo mail, but since it can be done freely with iPhone ,then why should i pay if i want to use it with my macbook ? sorry for my broken english, thank you .