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in my company the accounting department uses outlook 2016. there are 3 employees who share one imap account. each outlook logs into the same account and they receive and send on that same account. there are also shared folders from other department's account, but only with viewing permissions. the underlying mailserver is postfix & dovecot.
here comes the problem: anytime their outlooks resync with server they send out 'NOT READ' notifications. lots of them.
i have checked their configs and each outlook is configured to NOT send any read receipts.
i googled and found old posts on ms forums etc about that bug, but nowhere a solution.
could anyone please give me a hint?
maybe there is some registry key i could modify. all ms office are up to date...
thanks