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CloseReview for BorderColors GT by dreadnaut
Rated 5 out of 5 stars
I have used a custom version for a while, which add multiple border styles and fixes a couple of bugs.
To keep a version compatible with TB60 online, I have now released it as "BorderColors D".
https://addons.thunderbird.net/en-US/thunderbird/addon/bordercolors-d/
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