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IMAP Information Center

IMAP (Internet Message Access Protocol) is a method of accessing electronic messages kept on a (possibly shared) mail server. This site provides information about and links to the University of Washington IMAP toolkit (IMAP-supporting software developed by the UW) and two IMAP-related mailing lists hosted by the UW.

Software Availability

University of Washington IMAP toolkit

See the release notes for the latest version information.

The software and documentation is available at: UW IMAP toolkit source distribution is available at: Additionally, mirror sites provide access to the software.

The University of Washington licenses the source code of the UW IMAP toolkit, imap-2006 and later, under the Apache License, Version 2.0.

The UW IMAP tookit includes the following:

UW Email Clients


The following documents may help you find the answers you need. Note that the most up-to-date documentation is provided as part of the toolkit source documentation. Though we welcome comments and suggestions, we cannot provide individual support services to users outside the UW community.

Mailing Lists

In addition to the IMAP protocol list (formerly and the UW imapd and c‑client library list (formerly c‑, the UW now has a new list for IMAP usage questions.