High Quality Content by WIKIPEDIA articles! Xuheki is a web-based IMAP client written in Perl. It is completely build upon Ajax technology, i.e. there are no page reloads. Xuheki is released under the GNU General Public License but includes DynarchLIB which is not free software. It uses persistent IMAP connections. The IMAP operations are not handled by the webserver itself, but by a Perl daemon which maintains connection to the IMAP server.