|Contact who sent you the file. I never heard of a .p file in mac that relates to text or photos.|
Emails are not secure either. Anyone can read them so if they send you personal information then anyone can get that and abuse your credit or accounts.
You need to access your account on a secure browser in https and be sure to have the most up to date browser and all service packs up to date.
Online banking is a very highly targeted place for crooks. Many high profile security companies don't even claim their apps are good enough for online banking.
Why not let them mail you a real paper copy.
Follow the laws and rules in place for these types of charges.
I will warn you. I had an account attacked by a Russian team. The credit card company was almost impossible to deal with despite the tv ads. They will try to get you to pay. Took me two years and up to the point of a lawsuit to get it fixed. And I was a shareholder.
1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.