Comment 107 for bug 308181

Yes, of course exchange auto discovery is not a standard, but it is a specification which is used in outlook 2007, apple mail and iPhone.

Why not use it, instead of building our own ?

Here a example of a PHP (serverside) script for generation the config file: http://www.andrewyager.com/content/view/52/27/

It is very simple to configure the web server to provide such a script.