Gmail reader- read the email and trade accordingly

details:
I want to be able to set the script once and for ever it will trade according to email he get.

If I want to open a trade, I'll just send an email. 

** I prefer not to use any dll's **

inputs:
- email
-password 

the emails can be:

1.
subject: open position
message: BUY,EURGBP 

2.
subject: close position
message: BUY,EURGBP