WildEnte@killyourfm is the #email client integrated in @Vivaldi on your bucket list? It's the spiritual successor of Opera's mail client M2 which they stopped maintaining in 2014 or so (and which until recently was my client of choice...). I've tried to get used to TB many times but always found it too heavy to support my preferred "no frills" email #workflow https://wildente.vivaldi.net/the-no-frills-email-workflow/
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