All your queries regarding
What is PayPal,
Creating a live PayPal account,
Accepting and refunding payments,
Creating an invoice using PayPal
and tonnes more... will be solved in this forum.
Yes. There is a simple setting to be done to stop receiving Instant Payment Notifications.
a)Log in to your PayPal account and click Profile at the top of the page.
b)Click My settings.
c)Click Update beside Notifications.
d)Uncheck the boxes under Payment Notifications.
e)Click Save.