Understanding the Insides of the POP3 Mail Protocol: Part 2 - CodeProject
Difference Between SMTP and POP3 (with Comparison Chart) - Tech Differences
Greyforth Solutions - POP3 (Post Office Protocol 3) #POP3 (Post Office Protocol 3) is the most recent version of a standard protocol for receiving e-mail. POP3 is a client/server protocol in which
POP vs POP3 - What's the Difference between these Email Protocols?