How to stop Mail from automatic "mark as read" behavior? (in Sierra)

Discussion in 'macOS Sierra (10.12)' started by af721, Apr 5, 2017.

  1. af721 macrumors newbie

    Apr 5, 2017
    Hi! I'm curious if there's a way to deactivate the feature/behavior in Mac Mail where mail is automatically marked as read when clicked (I want it to remain unread until I click otherwise). I know that I can use the "Classic View" to remove the preview feature, but that doesn't accomplish what I'm aiming for (I want the preview to remain active). And I know there used to be a plugin called TruePreview which offered this feature, but it's no longer available. Any ideas?
  2. BrianBaughn macrumors 603


    Feb 13, 2011
    Baltimore, Maryland
    The Mail Act-On plugin seems to add this least it's in the outdated user manual they have up there. Otherwise, it's not possible using the preview window. In the regular view (not "Classic") you can hide the preview window and, if you want to, increase the number of lines in the message list as a sort of workaround.

    I don't know what mechanism Mail Act-On uses to achieve this. You'd think that if they can do it there'd be a way to configure it using Terminal.
  3. JDPZ macrumors newbie

    Jul 10, 2018
    The lack of this feature is the only reason why I use Outlook on my Mac...

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