The meaning of the Acronym APOP is...

APOP is

• Authentication Post Office Protocol

More Meanings For APOP:

• Authentication Post Office Protocol
• Automatic Particle Orientation Procedure
• A Piece Of Property
• Associate Provost For Outreach Programs
• Approved Paint On Parts
• Annual Piece Of Paper

APOP is also in:

• General
• Networking
• Physics
• Positions
• Products
• US Government