ส่วนเสริม
ยินดีต้อนรับสู่ส่วนเสริม Thunderbird
Add extra features and styles to make Thunderbird your own.
ปิดReview for Content Scrollbar by David.P
Rated 3 out of 5 stars
Can't change the settings. Too many h-levels and respective scrollbar ballons.
To create your own collections, you must have a Mozilla Add-ons account.
