i wanted to make this post just in case any one is wondering what the USPS can and cant do i hope this helps guys.
HERE IS THE MAIL THEY CAN OPEN BY LAW.
Periodicals items.
Standard Mail items.
Package Services (including Media Mail, Library Mail and Bound Printed Matter DVDS) items.
Standard Post
Parcel Select®
Incidental First-Class Mail attachments or enclosures mailed under DMM 703.9.
GXG items that contain non-documents.
Priority Mail International items except the Flat Rate envelope and small Flat Rate box.
M-bags.
Items sent via “Free Matter for the Blind or Other Physically Handicapped Person” under 39 U.S.C. §§ 3403–06 and IMM 270.
All other Domestic / International mail not specifically stated below.
HERE IS WHAT THEY CANT OPEN
I ONLY USE THESE ONES FOR SHIPPING MY ITEMS ;] SO FEEL FREE TO USE THESE.
First-Class Mail® items.
Priority Mail® items.
Priority Mail Express™ items.
Global Express Guaranteed® (GXG®) items that contain only documents.
Priority Mail Express International™ items.
Priority Mail International™ Flat Rate envelope and small Flat Rate box.
First-Class Package International Service items
First-Class Mail International items.
International Priority Airmail™ (IPA®) items, excluding IPA M-bags.
International Surface Air Lift® (ISAL®) items, excluding ISAL M-bags.
Certain Global Direct™ (GD) mail.
International transit mail.
also you can sleep safe my dear