Jakub: I’ll follow up with you off-list. Thanks!
--- Nicolas Webb Email Postmaster Amazon Simple Email Service (SES) On 3/17/17, 2:15 AM, "mailop on behalf of Jakub Olexa" <mailop-boun...@mailop.org on behalf of ja...@mailkit.eu> wrote: Hi, we've come accross some odd messages hitting spam traps coming from amazonses but pretending to be amazon.com messages. There is a possible security flaw in the SPF for amazon.com permitting amazonses.com to send email on behalf of amazon.com and making it vulnerable to phishing. Here is a sample message: Return-Path: <deliverability.te...@amazon.com> Delivered-To: spam...@excello.cz Received: from posta.excello.cz by posta.excello.cz (Dovecot) with LMTP id +XS2LEpXyli9GwAA3RyBeg for <spam...@excello.cz>; Thu, 16 Mar 2017 10:13:46 +0100 Received: from bq.virusfree.cz (bq.virusfree.cz [IPv6:2001:67c:15a2::b]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by posta.excello.cz (Postfix) with ESMTPS id 977092C9CB8 for <s...@virusfree.cz>; Thu, 16 Mar 2017 10:13:46 +0100 (CET) Received: (qmail 5623 invoked from network); 16 Mar 2017 10:13:46 +0100 Received: from bq.virusfree.cz by bq.virusfree.cz (VF-Scanner: Clear:RC:0(54.240.11.93):; processed in 0.0 s); 16 Mar 2017 09:13:46 +0000 X-VF-Scanner-Mail-From: deliverability.te...@amazon.com X-VF-Scanner-Rcpt-To: s...@virusfree.cz X-VF-Scanner-ID: 20170316091346.429791.5384.bq.0 Received: from a11-93.smtp-out.amazonses.com (54.240.11.93) by bx.virusfree.cz with ESMTPS (TLSv1, ECDHE-RSA-AES128-SHA); 16 Mar 2017 10:13:46 +0100 Received-SPF: pass (bq: domain of amazon.com designates 54.240.11.93 as permitted sender) client-ip=54.240.11.93; envelope-from=deliverability.te...@amazon.com; helo=a11-93.smtp-out.amazonses.com; From: deliverability.te...@amazon.com Content-Type: text/plain Subject: Account update Date: Thu, 16 Mar 2017 09:04:04 +0000 Message-ID: <0100015ad65c1837-5fe81fb9-a931-468e-b8c1-17f72806f2dd-000...@email.amazonses.com> To: bobbr...@250ok.co X-250ok-CID: amazon2017.03.16-54.240.11.93 X-SES-Outgoing: 2017.03.16-54.240.11.93 Thanks for visiting Amazon.com! Per your request: You have successfully changed your password. Visit Your Account at Amazon.com to view your orders, make changes to any order that hasn't yet entered the shipping process, update your subscriptions, and much more. Should you need to contact us for any reason, please know that we can give out order information only to the name and e-mail address associated with your account. Thanks again for shopping with us. -- Jakub Olexa Mailkit s.r.o. _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop