+ Release Notes for IMP 5 The Horde Team is pleased to announce the first alpha release of the Internet Messaging Program (IMP) version H4 (5.0). ++ Description IMP, the Internet Messaging Program, is one of the most popular webmail applications available. It allows universal, web-based access to IMAP and POP3 mail servers and provides a full range of features normally found only in desktop email clients. ++ Notes This is a preview version that should not be used on production systems. This version is considered feature complete but there might still be a few bugs. You should not use this preview version over existing production data. ++ Changes The major changes compared to the IMP version H3 (4.3) are: *