automatic mail filter horde - ingo? Plesk 10.4

[sgala.matteo]

Hi,

I'm trying to configure a filter into the webmail Imp Horde.

I configured the filter by Imp, and I'm expecting that the filter is applied when the email to filter reach the server (with procmail?).

Probably by default is not configured as I'm expecting. Horde/Ingo does not create any file into the user maildir.

How I can obtain that an email is filtered automatically when reach the mail server and not only when the webmail is opened or I click to filter?

Thanks

Matteo