This can't read/fix your emails (due to Thunderbirds permissions system apparently) so no, it can't block tracking pixels etc yet. Source (first comment): http

This can't read/fix your emails (due to Thunderbirds permissions system apparently) so no, it can't block tracking pixels etc yet. Source (first comment): https://www.reddit.com/r/uBlockOrigin/comments/1328g1w/ubo_not_filtering_in_thunderbird/ https://www.reddit.com/r/uBlockOrigin/comments/1328g1w/ubo_n...