spam with no sender source? How is that? in SpamCop Reporting Help Posted Tuesday at 02:43 PM On 9/13/2020 at 4:50 PM, petzl said: Your email provider has not stamped a received FROM IP line Outernaut, I expect to see an IP somewhere in the Received line such as the following. Received: from oksupp ([IP.add.re.ss]) by elm.nocdirect.com On 9/13/2020 at 2:08 PM, Outernaut said: Did this come from the internal site to where it was sent? Without the IP address in the Received line, I would have to assume this came from the internal site directly. Which is probably what SpamCop is doing.