FRII Break Room

Informal tech chatter from the geeks of Northern Colorado’s largest commercially available data center

Home » 2013 » July

Email Clients – What is POP3?

POP3 and IMAP4 are the two vastly most popular protocols for a computer to interact with email from a mail server. As a NOC Technician, one of the most common questions I run into on a day to day basis can be summarized as, “What the heck are those?” This is a question I hope to answer in this post, at least for POP3. I’ll be covering IMAP at a later date.

Continue reading