Rated 5 out of 5 stars

It is very good, and there is a suggestion: a shortcut key can be defined in this add-on

This review is for a previous version of the add-on (1.2). 

Rated 4 out of 5 stars

it works fine with x86 thunderbird.

however, it doesn't work with x64 shredder found at:
http://wiki.mozilla-x86-64.com/Thunderbird:Download

could you please add x64 support?

This review is for a previous version of the add-on (1.1). 

Rated 5 out of 5 stars

I am using it only for TB, it works fine!

This review is for a previous version of the add-on (1.1).