- <dt><a href="tree.txt">The Mailbox Tree</a></dt>
- <dd>
- This explains the algorithms and arrays behind the mailbox tree used in deleting folders.
- This was compiled thanks to Nathan Ehresman.
- </dd>
-
- <dt><a href="addressbook.txt">The Addressbook</a></dt>
- <dd>
- This explains how the addressbook works internally.
- </dd>
-
- <dt><a href="mime.txt">MIME</a></dt>