Here is a list of all files with brief descriptions:

dmail.admin.inc [code]
dmail.db.inc [code]
dmail.inc [code]
dmail.install [code]
dmail.js [code]
.rnd/dmail.module [code]
dmail.module [code]
.rnd/schema/dmail.schema [code]
dmail.schema [code]
dmail.settings.inc [code]
dmail.signatures.inc [code]
dmail.user.inc [code]
dmail_headers_by_mbox_table.schema [code]
dmail_headers_detail_table.schema [code]
dmail_headers_table.schema [code]
imap.lib [code]