IMSP
IMSP is Internet Message Support Protocol. Defined in a 1995, which carries this abstract:
Work on standardizing IMSP was never completed because it was superseded by the ACAP protocol, which provides a superset of IMSP's functionality.
Implementations
- An IMSP server is available for from CMU.
- The Horde PHP framework and applications have IMSP support.
- Mulberry supports IMSP storage of mail preferences and address books.
- Silkymail supported IMSP storage of mail preferences and address books. Address books were shared with Mulberry.
- Simeon supported IMSP storage of mail preferences and address books.
- An IMSP address book plugin is available for SquirrelMail.