The basic problem is that you cannot implement the IMAP protocol using the functionality provided by a POP server. Conceivably, you could have a proxy that did what you wanted and provided a very restricted subset of IMAP commands, but you would likely find clients would not work with it.did someone know if there exist a IMAp server who would be able to use a POP3 server for the INBOX folder and his normal folders for all others !
note : i need something like this for a migration purpose !
You should just bite the bullet and convert them at once, offline.
-- John A. Tamplin Unix System Administrator Emory University, School of Public Health +1 404/727-9931