We need a simple PHP code filled in within an already existing generic framework provided by Atmail ([url removed, login to view]) for allowing users to create/change auto-reply and mail-forwarding options against a custom mail-server backend (preferably Postfix).
The framework (plugin) is available here: [url removed, login to view]
Atmail demo is available on Atmail website [url removed, login to view]
Documentation on writing a plugin for Atmail is also available here http://support.atmail.com/display/DOCS/Creating+Plugins.
However please note that we DON'T need the entire plugin. You are only required to provide some lines of working code to include in the file [url removed, login to view] (which you can find it in the archive [url removed, login to view] ) so that webmail users can define/update/save their autoreply and forward preferences.