|System Manager's Manual
cyrus-imspd -- server for storing application preferences and address book data in a shared location
The IMSP server is used for storing application preferences and address book data in a shared location. Few applications support IMSP preferences and address books.
See https://cyrusimap.web.cmu.edu/archives/rfc/imsp.html for information about the IMSP protocol.
The final version of IMSP server is 1.7b. No further releases of the IMSP server are planned.