Hi Daniele.
And, even, if I create 5 OTRS installation with 5 different form and queue, I will not be able to move a wrongly sent ticket from one OTRS installation to the right queue in a different OTRS installation.
You misunderstand. You will *not* use the forms provided with OTRS. You will create your *own* forms in Perl, PHP, .Net or whatever fancy programming tool the kids use these days. You will end up with something like this: YourForm1.php -> email -> OTRS Queue1 YourForm2.php -> email -> OTRS Queue2 YourForm3.php -> email -> OTRS Queue3 YourForm4.php -> email -> OTRS Queue4 YourForm5.php -> email -> OTRS Queue5 All your forms will send emails to *the same* OTRS system. The forms will validate the user input and put information in the email that will make OTRS submit the tickets into the queues you want. -- Lars