caldav-Calendars reject valid let's encrypt certificates
version 91 thunderbird-calendar, rejects my valid let's-encrypt certificates and I have to set an exception everytime they get updated (every 3month) (and potentially after an thunderbird update)
OS Win10
I have 8 different Calendars active, but they are all located on the same server (so same Base-URL) like https://myserver.com/..../calender1 up to calender8
other potentially special situation: that server has two valid certificates active (but only one IP4-address) ex: one cert for https://myserveruno.de/... and
one for https://calservdtm.com/...
thanks in advance
Thomas
All Replies (3)
remark: the URLs are just quick examples, I will certainly not post any real ones...
since I cannot edit my question: I made the mistake to use _3_ different URL-examples in my question, in reality there are only two different, as I mentioned. So replace "myserveruno.de" with "myserver.com", in the last example.
thx Thomas
remark2: same problem occurs on current MacOS (problem started end of 2021)
on Windows10 i am using Thunderbird-Portable 91, on MacOS there are no Portable-Versions, I guess
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