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由 educ 发表于 Aug. 28, 2021 · 永久链接

I've been using ExQuilla for some time and now I just tested it with the new Thunderbird 91. Setup and basic functionality are working fine. I can send/receive Emails without problems, so far so good.

I don't see any problems in paying a small annual fee, the developers are indeed working to maintain the addon for every new version of Thunderbird.