Cannot view emails, error "A valid license could not be found"
Bottom left of screenshot. No emails show up, although the inbox says there are unread emails. What can I do?
Bottom left of screenshot. No emails show up, although the inbox says there are unread emails. What can I do?
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I am guessing from the folder names you are using Microsoft exchange and probably the exquilla add-on to access exchange. https://addons.thunderbird.net/en-US/thunderbird/addon/exquilla-exchange-web-services/?src=search The add-on used to require an annual subscription. This changed for Thunderbird 60 and will I understand be reintroduced with Thunderbird 68 to be released in the next few months. It is in Beta testing now. So I suggest you contact the add-on author on their new web site seeking support. https://www.exquilla.com/
Alternatively use davmail as an intermediary product. http://davmail.sourceforge.net/index.html