Sorry again. For the message below I was refering to this message:

[root@HMCVR0004 bin]# cat ../var/spool/problem-email-ecc9cd296cb599902561a3ba3d05ffb8 | ./otrs.PostMaster.pl 
ERROR: OTRS-otrs.PostMaster.pl-10 Perl: 5.10.1 OS: linux Time: Wed Apr 11 10:50:43 2012

 Message: No Type for DCO found!

 Traceback (3427): 
   Module: Kernel::System::Type::TypeLookup (v1.26) Line: 388
   Module: Kernel::System::Ticket::TicketCreate (v1.545) Line: 380
   Module: Kernel::System::PostMaster::NewTicket::Run (v1.85) Line: 170
   Module: Kernel::System::PostMaster::Run (v1.87) Line: 358
   Module: (eval) (v1.5) Line: 114
   Module: ./otrs.PostMaster.pl (v1.5) Line: 84

ERROR: OTRS-otrs.PostMaster.pl-10 Perl: 5.10.1 OS: linux Time: Wed Apr 11 10:50:43 2012

 Message: No TypeID for 'DCO'!

 Traceback (3427): 
   Module: Kernel::System::Ticket::TicketCreate (v1.545) Line: 387
   Module: Kernel::System::PostMaster::NewTicket::Run (v1.85) Line: 170
   Module: Kernel::System::PostMaster::Run (v1.87) Line: 358
   Module: (eval) (v1.5) Line: 114
   Module: ./otrs.PostMaster.pl (v1.5) Line: 84

ERROR: OTRS-otrs.PostMaster.pl-10 Perl: 5.10.1 OS: linux Time: Wed Apr 11 10:50:43 2012

 Message: Can't process mail, see log sub system! at ./otrs.PostMaster.pl line 116.


 Traceback (3427): 
   Module: ./otrs.PostMaster.pl (v1.5) Line: 136


excuse me for the spam. Shall I open a bug or is "working as aspected" for you ?

On Wed, Apr 11, 2012 at 10:54 AM, Marco Vannini <marco.vannini@gmail.com> wrote:
Additionally, for the Type I've discovered that was defined with a space at the end ("DCO ")  and the postmaster filter without it. so now it's not stripped ?!