IMSP is Internet Message Support Protocol. Defined in a 199

which carries this abstract: Work on standardizing IMSP was never completed because it was superseded by the ACAP protocol, which provides a superset of IMSP's functionality.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 fo
download
from CMU. * The

Horde Horde may refer to: History * Orda (organization), a historic sociopolitical and military structure in steppe nomad cultures such as the Turks and Mongols ** Golden Horde, a Turkic-Mongol state established in the 1240s ** Wings of the Golden Hor ...

PHP framework and applications have IMSP support. *

Mulberry ''Morus'', a genus of flowering plants in the family Moraceae, consists of 19 species of deciduous trees commonly known as mulberries, growing wild and under cultivation in many temperate world regions. Generally, the genus has 64 subordinat ...

supports IMSP storage of mail preferences and address books. * Silkymail (discontinued) supported IMSP storage of mail preferences and address books. Address books were shared with Mulberry. *

Simeon Simeon () is a given name, from the Hebrew (Biblical Hebrew, Biblical ''Šimʿon'', Tiberian vocalization, Tiberian ''Šimʿôn''), usually transliterated in English as Shimon. In Greek, it is written Συμεών, hence the Latinized spelling Sy ...

(discontinued) supported IMSP storage of mail preferences and address books. * An IMSP address book plugin is available for

SquirrelMail SquirrelMail is a project that aims to provide both a web-based email client and a proxy server for the IMAP protocol. The latest stable version 1.4.23-svn is tested with PHP up to version 8.1 and replaces version 1.4.22 which can only run on ...

. Internet mail protocols {{Internet-stub