FranklinCat Posted May 14, 2020 Share Posted May 14, 2020 I have been using FastMail as my primary email since Spamcop ended its email service. Starting a couple weeks ago, when trying to report phishers, trying to get me to reveal my login for Fastmail, I'm faced repeatedly with the following response from Spamcop: "Mailhost configuration problem, identified internal IP as source .......... No source IP address found, cannot proceed." Most of the rejected submissions had supposed return paths of <****@fastmail.fm>, and I suspected that may have had something to do with the problem, but this one had <email@example.com> as its return path. Is there something I can check for and tweak in the submission that will avoid the problem? I submit using my submit......@spam.spamcop.net address including spam as attachment. https://www.spamcop.net/sc?id=z6633420934zc4b80047832b0517c88c3b8fb950b1d6z Quote Link to comment Share on other sites More sharing options...
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