<div dir="ltr">SPF 2.0 was used to designate a SenderID policy. It was experimental and never saw widespread adoption. <br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jun 7, 2021 at 1:19 PM Jean St-Laurent via NANOG <<a href="mailto:nanog@nanog.org">nanog@nanog.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="overflow-wrap: break-word;" lang="EN-CA"><div class="gmail-m_5560314531432439592WordSection1"><p class="MsoNormal"><span>What is </span>spf2.0/pra ?<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Is this new?<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Jean<span><u></u><u></u></span></p><p class="MsoNormal"><span><u></u> <u></u></span></p><div style="border-color:rgb(225,225,225) currentcolor currentcolor;border-style:solid none none;border-width:1pt medium medium;padding:3pt 0cm 0cm"><p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> NANOG <nanog-bounces+jean=<a href="mailto:ddostest.me@nanog.org" target="_blank">ddostest.me@nanog.org</a>> <b>On Behalf Of </b>Alec Peterson<br><b>Sent:</b> June 7, 2021 10:35 AM<br><b>To:</b> Brad Barnett <<a href="mailto:lists@l8r.net" target="_blank">lists@l8r.net</a>><br><b>Cc:</b> <a href="mailto:nanog@nanog.org" target="_blank">nanog@nanog.org</a><br><b>Subject:</b> Re: <a href="http://amazon.com" target="_blank">amazon.com</a> multiple SPF records<u></u><u></u></span></p></div><p class="MsoNormal"><u></u> <u></u></p><div><div><p class="MsoNormal">Hmm, are you sure?<u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">[ec2-user@ip-10-0-0-50 ~]$ dig <a href="http://amazon.com" target="_blank">amazon.com</a> txt +short|grep spf<br>"v=spf1 include:<a href="http://spf1.amazon.com" target="_blank">spf1.amazon.com</a> include:<a href="http://spf2.amazon.com" target="_blank">spf2.amazon.com</a> include:<a href="http://amazonses.com" target="_blank">amazonses.com</a> -all"<br>"spf2.0/pra include:<a href="http://spf1.amazon.com" target="_blank">spf1.amazon.com</a> include:<a href="http://spf2.amazon.com" target="_blank">spf2.amazon.com</a> include:<a href="http://amazonses.com" target="_blank">amazonses.com</a> -all"<br>[ec2-user@ip-10-0-0-50 ~]$ <u></u><u></u></p></div></div><p class="MsoNormal"><u></u> <u></u></p><div><div><p class="MsoNormal">On Mon, Jun 7, 2021 at 7:22 AM Brad Barnett <<a href="mailto:lists@l8r.net" target="_blank">lists@l8r.net</a>> wrote:<u></u><u></u></p></div><blockquote style="border-color:currentcolor currentcolor currentcolor rgb(204,204,204);border-style:none none none solid;border-width:medium medium medium 1pt;padding:0cm 0cm 0cm 6pt;margin-left:4.8pt;margin-right:0cm"><p class="MsoNormal" style="margin-bottom:12pt"><br>If anyone at Amazon is paying attention, you have duplicate spf1 records<br>for <a href="http://amazon.com" target="_blank">amazon.com</a>:<br><br># dig -t TXT <a href="http://amazon.com" target="_blank">amazon.com</a> | grep spf<br><a href="http://amazon.com" target="_blank">amazon.com</a>.             281     IN      TXT     "spf2.0/pra include:<a href="http://spf1.amazon.com" target="_blank">spf1.amazon.com</a> include:<a href="http://spf2.amazon.com" target="_blank">spf2.amazon.com</a> include:<a href="http://amazonses.com" target="_blank">amazonses.com</a> -all"<br><a href="http://amazon.com" target="_blank">amazon.com</a>.             281     IN      TXT     "v=spf1 include: <a href="http://amazon.com" target="_blank">amazon.com</a> include:<a href="http://spf1.amazon.com" target="_blank">spf1.amazon.com</a> include:<a href="http://spf2.amazon.com" target="_blank">spf2.amazon.com</a> include:<a href="http://amazonses.com" target="_blank">amazonses.com</a> -all"<br><a href="http://amazon.com" target="_blank">amazon.com</a>.             281     IN      TXT     "v=spf1 include:<a href="http://spf1.amazon.com" target="_blank">spf1.amazon.com</a> include:<a href="http://spf2.amazon.com" target="_blank">spf2.amazon.com</a> include:<a href="http://amazonses.com" target="_blank">amazonses.com</a> -all"<br><br>It's causing mail deliverability issues, so users cannot reset their<br>password, or even get OTP codes reliably.<br><br>(I don't know where else to post, as whois/arin contacts aren't<br>responding, and I can't even imagine trying to go through other methods<br>of support...)<u></u><u></u></p></blockquote></div></div></div></blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr">Jonathan Leist<div>Senior Systems Engineer</div><div><img src="https://drive.google.com/a/rsglab.com/uc?id=1SJdrj3L4626F2dZ73TorSM9IkJjtfnjd&export=download" width="96" height="26"><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>