Rated 5 out of 5 stars

Από τον/την Gordon Dry στις Ιούν. 11, 2015 · μόνιμος σύνδεσμος

Works in newest Thunderbird and also in Pale Moon:
https://mega.co.nz/#!Xc5EiLZQ!JXnJNxbFSShfM1tgX7iBJ94WHuwBizk-IaXCcpEvfac

Edit: I was wrong, it works in Pale Moon but no more in the newest Thunderbird 38.0.1 - there is something wrong with that TB, it also crashes always when Foxy Proxy is enabled, so you have to disable that before you upgrade - some quirks, really.