I want to do the mailbox mod as I cant seem to keep my AMNPS lit inside the chamber on the lower left of the MES. However, is it necessary to remove the inner chip tray/cover, etc? I have concerns about drippings falling on the heating element and catching fire inside the box. I only really need to use the AMNPS for cold smoking, so my other thought was simply not latching the door tightly on the MES so there is more air flow. Thoughts?