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Gmail certainly does: it implements DKIM.
by ijl 13y ago
Gmail certainly does: it implements DKIM.
- adwordsjedi 13y agoDKIM is not a feedback loop. A feedback loop is when someone hits spam on one of your emails, the provider lets you know what message caused the user to hit spam. If you have a unique message id or something else in the email encoded in you can tell who it was and not send them any more emails.