Rated 4 out of 5 stars

le Cri-85 ar Iúil 7, 2021 ·

Why your addon ask new permission?
The last is to communicate with software outside Thunderbird.

This addon is really good but don't ask too many permission.

Why you need to read AND modify the address book?

Léirmheas ar leagan níos sine den bhreiseán seo (2.7.0). 

le Achim Seufert (Forbróir) ar Iúil 7, 2021 ·

Please check the FAQs:
http://mozext.achimonline.de/signatureswitch-me.php#faq

There also is a detailed changelog:
http://mozext.achimonline.de/signatureswitch-me.php#changelog

Plus, the source code of the add-on is also freely available:
https://github.com/4ch1m/mozext/tree/master/signatureswitch-me