On Wed, 29 May 2024 02:52:13 +0000 Rolf Turner <rolfturner at posteo.net> wrote: > What am I doing wrong or failing to understand? Is there something > (e.g. a "Preference") that I should adjust? Upgrade. This was added in the latest release. Read the release notes here, the 3rd item in particular: https://claws-mail.org/news.php with regards Paul