
Thunderbird mail settings new Win11 setup
after migrating to new windows 11 pc's how do I set Thunderbird so it will show that you have opened an email off the server at your terminal but others viewing same email account will see it as unopened until they open the email at their terminal, I have settings to not "automatically show as read" on all 3 terminals but now all incoming emails stay black highlighted as "unread" for all users sharing this account even after all 3 user terminals have actually opened said email using POP server
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If the other users are using POP, the messages will appear as new.