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由 Oside Guy 发表于 Sept. 5, 2018 ·

It would be nice if I could use it... but my T-Bird says it's Not Signed and thus not usable to me. V52.9.0 ESR.

这个评论是针对附加组件的一个早期版本的（2.0.8）。 

作者 Patrick Brunschwig (开发者) 日期 Sept. 6, 2018 ·

Thunderbird doesn't check signing. Are you sure you didn't accidentally install it in Firefox?