Originally Posted by Toucan
Unless things have changed, this isn't a simple task to achieve. The webmail program runs under a different user than the clients site so permissions would be all different.
This has changed in the meantime. If you follow chapter 20.2 of the perfects etup guide, then squirrelmail runs as apache / www-data user.
@razvandc: did you configure squirrelmail as described in chapter 20.2?