My domain hosted at google workspace mailing lists are increasingly marked as spam, because google uses central Google identities sending them and every workspa

My domain hosted at google workspace mailing lists are increasingly marked as spam, because google uses central Google identities sending them and every workspace @mydomain is tainted by whatever spam other hosted workspaces acquire. They haven't worked out how to dkim/spf them into buckets which other big mail players won't cast as bad" The value proposition behind google hosted domains is falling.