Is there a similar solution for Mail App on High Sierra as it was on older versions (I think, Yosemite Mail App). There was a command line to adjust the mark as read delay. See this (for older Mail Apps):

defaults write com.apple.mail MarkAsReadDelay 5

I want to achieve that mails won't be marked as read, directly.

You must log in to answer this question.

Browse other questions tagged .