OpenWebMail is a full-featured Webmail, address book, calendar, and Webdisk system that is designed to manage very large mail folder files in a quick and memory efficient way.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
This release adds a system scripts hierarchy rearrangement, moving user
files from ~user/mail/.* to ~user/.openwebmail/ for better compatibility
with IMAP servers, a code cleaning and performance improvement (3-10x
speedup in folder indexing, 30% speedup in mail filtering, 95x speedup
in folder writing over NFS), DHTML calendar popup windows support,
MSWord attachment previewing, improved spellchecking, and many other
improvements and bugfixes. There's a new demo site at www.postman.net,
which provides signup of new Webmail accounts for free.
