PANDA IMAP toolkit notices:

The Panda IMAP Toolkit (c-client API, dmail, imapd, ipop2d, ipop3d,
mailutil, mlock, mtest, and tmail software; and its included text) was
developed by Mark Crispin, and is

 * Copyright 2008-2010 Mark Crispin
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0

Components of the Panda IMAP toolkit are based in part upon code
developed by Mark Crispin at the University of Washington, and is

 * Copyright 1988-2008 University of Washington
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0

The c-client library and mtest software are in part based upon code
developed by Mark Crispin at Stanford University, and is

 * Copyright 1988 Stanford University and was developed in the
 * Symbolic Systems Resources Group of the Knowledge Systems Laboratory
 * at Stanford University in 1987-88, and was funded by the
 * Biomedical Research Technology Program of the National Institutes of
 * Health under grant number RR-00785.