Monday, August 4, 2003 08:11 AM
IMAP is just for reading messages, from an existing mailstore (mailbox), not for sending new ones. Also there may be local mailboxes, used by a mail client application, which are not served via IMAP, hence not accessible by other IMAP clients.
SMTP is for sending new outgoing messages, and each application is going to handle its outgoing messages differently. I think typically mail client applications will manage their own local "Sent", "Drafts" etc. folders, outside of IMAP.