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Maybe someone else sent 5000 mails to Gmail users using your unauthenticated domain.
by skrause 3y ago
Maybe someone else sent 5000 mails to Gmail users using your unauthenticated domain.
- b112 3y agohttp://139.177.194.177/bah.png http://139.177.194.177/bah.png
- adrian_b 3y agoThat would not have been possible, with the already existing checks. While the individual messages were not yet signed, Gmail should have already rejected any message claiming to be from my domain that was not sent by my own server.