An employee in a company needs to configure a client's email application to retrieve mail that is kept on the server so that it can be managed from multiple devices. Additionally, the client prefers to organize emails into custom folders using the email client. Which of the following protocols is BEST suited for this purpose?
Internet Mail Access Protocol (IMAP)
Simple Mail Transfer Protocol (SMTP)
Post Office Protocol 3 (POP3)
Hypertext Transfer Protocol (HTTP)