Configuration for maildrop
by Sylvain LANGLADE <slanglade@elanz.fr>

// allow HTML for vacation message 
$rcmail_config['vacation_gui_vacationmessage_html'] = TRUE;

// driver used for backend storage
$rcmail_config['vacation_driver'] = 'maildrop';

// add HTML MIME header before the message when HTML is allowed
$rcmail_config['vacation_message_html_mime'] = 'MIME-version: 1.0\nContent-type: text/plain\n\n';

/*
 * maildrop driver
 */

// Path of the maildir folder
$rcmail_config['vacation_maildrop_maildirpath'] = '/var/vmail/%email_domain/%email_local';
// Filename of the vacation message, when enabled
$rcmail_config['vacation_maildrop_enabled'] = 'vacation.enabled';
// Filename of the vacation message, when disabled
$rcmail_config['vacation_maildrop_disabled'] = 'vacation.disabled';