Add extra features and styles to make Thunderbird your own.
Check out our Mobile Add-ons site.
by Steve Palmer on Dec. 21, 2018 · permalink
I've disabled it in order to get my default signature block above the quoted text. Thunderbird allows it. One would think Signature Switch could do the same. And yes I've read the FAQs.
To create your own collections, you must have a Mozilla Add-ons account.
Create an Add-ons Account
or log in to your current account