 The user is limited to previewing messages using the web client before they are downloaded by the desktop email client.However, one may choose to leave the emails on the server, in which case this problem does not occur.The use of both a webmail client and a desktop client using the IMAP4 protocol allows the contents of the mailbox to be consistently displayed in both the webmail and desktop clients and any action the user performs on messages in one interface will be reflected when email is accessed via the other interface.