I wonder if this is related to my issue, which also started happening around September 1: Email forwarding from my Gmail account (workspace) to another Gmail a

I wonder if this is related to my issue, which also started happening around September 1: Email forwarding from my Gmail account (workspace) to another Gmail account (gmail.com) fails with a DMARC-related bounce depending on the original sender's configuration. <<< 550-5.7.26 Unauthenticated email from aa.com is not accepted due to domain's <<< 550-5.7.26 DMARC policy. Please contact the administrator of aa.com domain if <<< 550-5.7.26 this was a legitimate mail. Please visit <<< 550-5.7.26 https://support.google.com/mail/answer/2451690 to learn about the <<< 550 5.7.26 DMARC initiative.