Rated 4 out of 5 stars

per streblov el set. 6, 2015 ·

I can confirm that the "Delete the attachments in sent copy" does not work anymore (OS X 10.9.5, TB 38.2). Please fix this. Thanks!

This review is for a previous version of the add-on (1.5). 

per Paolo "Kaosmos" (desenvolupador) a set. 6, 2015 ·

It's fixed in 1.6 version
https://addons.mozilla.org/it/thunderbird/addon/attachextratools/versions/