Managing IMAP - Dianna Mullet, Kevin Mullet - Google Books

https://books.google.de/books?id=ZljG1e7zHCkC&pg=PA207#v=onepage&q&f=true

Virtually everything--not just computers, but every kind of device--is coming on board the Internet, and the two principal applications are the World Wide Web and email. The POP3 model for online-only messaging is being taxed to its limit, and users…