<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="Generator" content="Microsoft Word 15 (filtered medium)"> <style></style> </head> <body link="blue" vlink="purple" style="word-wrap:break-word"> <div class="WordSection1"> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Hello,<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">After further investigation, I see now that some reports have broken DKIM signatures because Mailman (or the email libraries it uses) are folding their long subject headers into multiple lines, probably to conform with internet standards. There isn’t a configuration to control this per list in Mailman though, so I might have to look into patching it. Will update hopefully by end of next week.<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Can you keep the emails in plaintext format? They are more readable now in <a href="https://inbox.dpdk.org/test-report/">https://inbox.dpdk.org/test-report/</a> as the body is no longer being encoded.<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p> <div> <p class="MsoNormal"><span lang="EN-US">Regards,<br> Ali<o:p></o:p></span></p> </div> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p> <div style="border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt"> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> <p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Ali Alnubani <alialnu@nvidia.com> <br> <b>Sent:</b> Wednesday, March 1, 2023 3:10 PM<br> <b>To:</b> Lincoln Lavoie <lylavoie@iol.unh.edu><br> <b>Cc:</b> Aaron Conole <aconole@redhat.com>; techboard@dpdk.org; ci@dpdk.org<br> <b>Subject:</b> RE: UNH - DMARC issue<o:p></o:p></span></p> </div> </div> <p class="MsoNormal"><o:p> </o:p></p> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Hi Lincoln,<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Thank you for taking the time to make the change.<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Unfortunately, however, I see that even some of the plaintext ones are still failing DMARC. This is an example if you want to check from your client:<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><a href="https://inbox.dpdk.org/test-report/20230301075112.591AB601B1@dpdk-ubuntu.dpdklab.iol.unh.edu/">https://inbox.dpdk.org/test-report/20230301075112.591AB601B1@dpdk-ubuntu.dpdklab.iol.unh.edu/</a><o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">I’m checking if there is something I missed.<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p> <p class="MsoNormal"><span lang="EN-US">Regards,<br> Ali<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p> <div style="border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt"> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> <p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Lincoln Lavoie <<a href="mailto:lylavoie@iol.unh.edu">lylavoie@iol.unh.edu</a>> <br> <b>Sent:</b> Tuesday, February 28, 2023 10:57 PM<br> <b>To:</b> Ali Alnubani <<a href="mailto:alialnu@nvidia.com">alialnu@nvidia.com</a>><br> <b>Cc:</b> Aaron Conole <<a href="mailto:aconole@redhat.com">aconole@redhat.com</a>>; <a href="mailto:techboard@dpdk.org">techboard@dpdk.org</a>; <a href="mailto:ci@dpdk.org"> ci@dpdk.org</a><br> <b>Subject:</b> Re: UNH - DMARC issue<o:p></o:p></span></p> </div> </div> <p class="MsoNormal"><o:p> </o:p></p> <div> <div> <p class="MsoNormal"><span style="font-size:12.0pt">Hi Ali,<o:p></o:p></span></p> </div> <div> <p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p> </div> <div> <p class="MsoNormal"><span style="font-size:12.0pt">We deployed the change to only plaintext emails last week. Can you confirm if this improves things from your side for the DMARC results. I am also also our IT admin to pull the reports for the past couple of days to see if failures are still being reported to us.<o:p></o:p></span></p> </div> <div> <p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p> </div> <div> <p class="MsoNormal"><span style="font-size:12.0pt">Cheers,<o:p></o:p></span></p> </div> <div> <p class="MsoNormal"><span style="font-size:12.0pt">Lincoln<o:p></o:p></span></p> </div> </div> <p class="MsoNormal"><o:p> </o:p></p> <div> <div> <p class="MsoNormal">On Wed, Feb 8, 2023 at 11:20 AM Ali Alnubani <<a href="mailto:alialnu@nvidia.com">alialnu@nvidia.com</a>> wrote:<o:p></o:p></p> </div> <blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt"> <div> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">> Just to make sure, your example is one that failed, correct?</span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">Correct, the copy I got failed DKIM and DMARC authentication.</span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">> Changing the content / format type will need a little more investigation, just to make sure the change wouldn't break other emails being sent. Does the message content type impact the DMARC evaluation? I thought it was more about headers, routing, and approved mail hosts, etc. </span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">Non plaintext emails are more likely to be mangled by Mailman, breaking DKIM signature verification, and DMARC as a result.</span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">Regards,<br> Ali</span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p> <div style="border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt"> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Lincoln Lavoie <<a href="mailto:lylavoie@iol.unh.edu" target="_blank">lylavoie@iol.unh.edu</a>> <br> <b>Sent:</b> Wednesday, February 8, 2023 5:37 PM<br> <b>To:</b> Ali Alnubani <<a href="mailto:alialnu@nvidia.com" target="_blank">alialnu@nvidia.com</a>><br> <b>Cc:</b> Aaron Conole <<a href="mailto:aconole@redhat.com" target="_blank">aconole@redhat.com</a>>; <a href="mailto:techboard@dpdk.org" target="_blank">techboard@dpdk.org</a>; Lincoln Lavoie <<a href="mailto:lylavioe@iol.unh.edu" target="_blank">lylavioe@iol.unh.edu</a>>; <a href="mailto:ci@dpdk.org" target="_blank">ci@dpdk.org</a><br> <b>Subject:</b> Re: UNH - DMARC issue</span><o:p></o:p></p> </div> </div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:12.0pt">HI Ali,</span><o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:12.0pt"> </span><o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:12.0pt">The To / Cc fields all look identical to what was sent / logged on our internal list. I've attached the raw stuff email. Just to make sure, your example is one that failed, correct?</span><o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:12.0pt"> </span><o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:12.0pt">Changing the content / format type will need a little more investigation, just to make sure the change wouldn't break other emails being sent. Does the message content type impact the DMARC evaluation? I thought it was more about headers, routing, and approved mail hosts, etc. </span><o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:12.0pt"> </span><o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:12.0pt">Cheers,<br> Lincoln</span><o:p></o:p></p> </div> </div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">On Wed, Feb 8, 2023 at 4:02 AM Ali Alnubani <<a href="mailto:alialnu@nvidia.com" target="_blank">alialnu@nvidia.com</a>> wrote:<o:p></o:p></p> </div> <blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt"> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">> -----Original Message-----<br> > From: Aaron Conole <<a href="mailto:aconole@redhat.com" target="_blank">aconole@redhat.com</a>><br> > Sent: Thursday, February 2, 2023 4:42 PM<br> > To: <a href="mailto:techboard@dpdk.org" target="_blank">techboard@dpdk.org</a><br> > Cc: Lincoln Lavoie <<a href="mailto:lylavioe@iol.unh.edu" target="_blank">lylavioe@iol.unh.edu</a>>; <a href="mailto:ci@dpdk.org" target="_blank">ci@dpdk.org</a><br> > Subject: UNH - DMARC issue<br> > <br> > Hi all,<br> > <br> > UNH reported that their IT will be turning on DMARC enforcement "soon."<br> > I'm not sure when that will exactly take place, but as part of that,<br> > they found there was an issue with the DPDK mailing lists doing some<br> > header rewriting which will break email bounces via the mailing list to<br> > the lab.<br> > <br> > I think Ali is currently investigating, but I'm sending the email here<br> > to make sure you're aware.<br> > <br> > -Aaron<br> <br> Hello, and apologies for the delay,<br> <br> I can confirm that DMARC is failing for some of the reports, but I don't see obvious mangling to the headers or bodies of these emails.<br> <br> Can you please help verify that the list of recipients in To and Cc isn't being mangled for the reports failing DMARC? Example:<br> <a href="https://inbox.dpdk.org/test-report/20230208081905.C6CB9600AB@dpdk-ubuntu.dpdklab.iol.unh.edu/" target="_blank">https://inbox.dpdk.org/test-report/20230208081905.C6CB9600AB@dpdk-ubuntu.dpdklab.iol.unh.edu/</a><br> <br> Would it also be possible to switch the format/content-type of these emails from html to text/plain as way to try and mitigate this?<br> <br> Thanks,<br> Ali<o:p></o:p></p> </blockquote> </div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><br clear="all"> <o:p></o:p></p> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p> </div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">-- <o:p></o:p></p> <div> <div> <div> <div> <div> <div> <div> <div> <div> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>Lincoln Lavoie</b><o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Principal Engineer, Broadband Technologies<o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">21 Madbury Rd., Ste. 100, Durham, NH 03824<o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a href="mailto:lylavoie@iol.unh.edu" target="_blank">lylavoie@iol.unh.edu</a><o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a href="https://www.iol.unh.edu" target="_blank">https://www.iol.unh.edu</a><o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">+1-603-674-2755 (m)<o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a href="https://www.iol.unh.edu/" target="_blank"><span style="text-decoration:none"><img border="0" width="200" height="43" style="width:2.0833in;height:.4479in" id="_x0000_i1026" src="https://ci3.googleusercontent.com/mail-sig/AIorK4xlKa1qM3IJKocZErE7ywuQuw_cfMEDW_tlU6Dw8dHUTWPjdawcJawE6HcYf7_JfXJnr9fvVJI"></span></a><o:p></o:p></p> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </blockquote> </div> <p class="MsoNormal"><br clear="all"> <o:p></o:p></p> <div> <p class="MsoNormal"><o:p> </o:p></p> </div> <p class="MsoNormal">-- <o:p></o:p></p> <div> <div> <div> <div> <div> <div> <div> <div> <div> <div> <div> <p class="MsoNormal"><b>Lincoln Lavoie</b><o:p></o:p></p> </div> <div> <p class="MsoNormal">Principal Engineer, Broadband Technologies<o:p></o:p></p> </div> <div> <p class="MsoNormal">21 Madbury Rd., Ste. 100, Durham, NH 03824<o:p></o:p></p> </div> <div> <p class="MsoNormal"><a href="mailto:lylavoie@iol.unh.edu" target="_blank">lylavoie@iol.unh.edu</a><o:p></o:p></p> </div> <div> <p class="MsoNormal"><a href="https://www.iol.unh.edu" target="_blank">https://www.iol.unh.edu</a><o:p></o:p></p> </div> <div> <p class="MsoNormal">+1-603-674-2755 (m)<o:p></o:p></p> </div> <div> <p class="MsoNormal"><a href="https://www.iol.unh.edu/" target="_blank"><span style="text-decoration:none"><img border="0" width="200" height="43" style="width:2.0833in;height:.4479in" id="_x0000_i1025" src="https://ci3.googleusercontent.com/mail-sig/AIorK4xlKa1qM3IJKocZErE7ywuQuw_cfMEDW_tlU6Dw8dHUTWPjdawcJawE6HcYf7_JfXJnr9fvVJI"></span></a><o:p></o:p></p> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </body> </html>