This release works with TB 38.x and is signed and uploaded to Mozilla AMO
The extension makes it very easy to generate and attach stamps to outgoing mail. It also automatically detects and verifies stamps on incoming emails. The MBound algorithm requires a 16MB fixed table to work, HashCash is more CPU intense.
This release have many fixes and is submitted to Mozilla
FIX: extra headers is now hidden, and if you disable or remove the add-on they are removed
FIX: stamp is now taking up no extra space vertically (default height of header pane is set to zero) #3
FIX: finding ppost.jar by browsing your harddrive now works, auto-detect is working again #5
The UUID is now changed to comply with Mozilla upload policy. You need to remove the old version manually. Many small changes to the source code were made to get a clean report from Mozilla Add-on Validator