Report Domain: e.online.att-mail.com Submitter: "mydomain".com Report-ID: e.online.att-mail.com-1573908807@"mydomain".com
Where "mydomain" is actually MY domain...
These look like they're probably DMARK / DKIM reports coming from "no-reply@mydomain.com" but I'm not sure where to got to turn that off....
I just deployed the v4 appliance Monday morning... and still tinkering to get things going smooth... so please forgive my ignorance here.
