Review for BorderColors by Merf
Rated 1 out of 5 stars
I've been keeping this addon alive by updating the max version number but it has finally failed. However, there is a direct replacements in the form of BorderColors GT at https://addons.mozilla.org/en-US/thunderbird/addon/bordercolors-gt/?src=ss
This user has a previous review of this add-on.To create your own collections, you must have a Mozilla Add-ons account.