What is IMAP and POP3?
IMAP and POP3 are internet standard protocols for e-mail, allowing your e-mail program to access e-mail accounts on your web space.
IMAP allows multiple clients to access the same mailbox, while keeping the e-mail messages available on the server for later access via webmail.
POP3 downloads the messages, while removing the messages from the server. The e-mails are then no longer accessible via webmail or a mail program.
We recommend that you use IMAP when setting up your e-mail program.