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由 Hann990011 发表于 Oct. 4, 2018 · 永久链接

This might be helpful. I have created this file for Thunderbird 52.9.1. I followed the instructions above and it works.
Download and install as a file on ad dons
https://drive.google.com/open?id=1T4CwPKMvE-vtPqoi_KP7ImFvNtMybjJc