Email deliverability forum

Practitioner threads on Outlook dark mode, Gmail tabs, authentication, and pre-send QA.

• Outlook dark mode keeps inverting our logo background

  We ship B2B newsletters with a white header bar and a full-color logo on #FFFFFF. In Outlook desktop dark mode, the head...

  5 replies

• Did Gmail Promotions tab placement hurt our open rates?

  Our weekly product digest suddenly landed in Promotions for most Gmail users after we added more product cards and a Sho...

  5 replies