Mailgun is leaking my DigitalOcean server IPs via emails deployed for Discourse which is resulting in repeated DDoS attacks. Received: from localhost.localdomain (sposting.com [**REAL IP HERE**]) by mxa.mailgun.org with ESMTP id 78c1220.7fe02c20b530-smtp-out-n03; Wed, 15 Mar 2017 01:30:08 -0000 (UT…

Mailgun leaking server's real IP behind Cloudflare

pfaffman (Jay Pfaffman) May 16, 2019, 3:20pm 21

Oh. Right. I totally forgot spoofing the source IP address for a DDOS attack.

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