Updated: 24 February 1997

This is a snapshot of development sources of of the IMAP 4.1 toolkit.  It
is updated frequently.

This version supports IMAP4rev1 (RFC 2060).

The following are known problems/deficiencies:
 . Bugs:
   . The experimental mx driver has performance problems and shouldn't be used.
   . docs/Internal.DOC is out of date again.
 . General limitations:
   . Search CHARSETs other than US-ASCII are not yet supported
 . IMAP client limitations:
   . No SASL protection mechanisms
 . POP client limitations:
   . No SASL authentication/protection mechanisms
   . No POP3 UID support
 . IMAP server limitations:
   . No Kerberos server support
   . No SASL protection mechanisms
 . POP3 server limitations:
   . No SASL authentication/protection mechanisms
 . UNIX limitations:
   . Supported local file formats: bezerk, mbx, mh, mmdf, mtx, mx, news, phile
   . Sticky UIDs are not supported in the mh, mtx, and tenex drivers
   . Only the mbx and mx drivers support creation of keywords
 . NT limitations:
   . Supported local file formats: bezerk, mbx, mtx, tenex
   . Sticky UIDs are not supported in the mtxnt and tenexnt drivers
   . Only the mbxnt driver supports creation of keywords
   . No support for TCP open timeouts
 . DOS limitations:
   . Supported TCPs: B&W, Novell, PC-NFs, PC/TCP, Waterloo, Winsock
   . Supported local file formats: bezerk, mtx
   . Sticky UIDs are not supported on local files
   . Creation of keywords are not supported on local files
   . Bezerk driver is read-only and does not handle LF-only newlines well
   . No support for any TCP timeouts on Waterloo DOS
   . No support for TCP open timeouts on Winsock and generic DOS
 . OS/2 limitations:
   . Not finished, does not build
 . Mac limitations:
   . No local file drivers
 . TOPS-20 limitations:
   . No local file drivers
   . No support for any TCP timeouts
 . VMS limitations:
   . Supported TCPs: Multinet, Netlib
   . No local file drivers
   . No support for any TCP timeouts on VMS Netlib
   . No support for TCP open timeouts on VMS Multinet
