Category: General

What are SMTP commands?

SMTP commands HELO. It's the first SMTP command: is starts the conversation identifying the sender server and is generally followed by its domain na...

What is 32 bit color?

“24 bit” usually means 24 bits total per pixel, with 8 bits per channel for red, green and blue, or 16,777,216 total colours. “32 bit” also usually means...

What is a PIN password?

A personal identification number (PIN) is a security code for verifying your identity. Similar to a password, your PIN should be kept secret because it a...