I am receiving DMARC reports back from Hotmail that show that some of our email is passing the DKIM check, but not the SPF check. The result is that the message is failing DMARC and getting quarantined. From everything I have read, a message must fail both SPF and DKIM checks to also fail DMARC. The report sent on 12/7 shows that the only thing that failed was SPF. I believe this is because the email got auto-forwarded from another account. I believe that since alignment and DKIM were still valid, it should have still gone through. Is there something I am missing from this report? I am not having this problem from Gmail or Yahoo. Below are the details of the report with private info **removed**:
Feedback-Type: auth-failure User-Agent: XMR/2.2 Version: 1.0 Original-Mail-From: <**removed**> Original-Rcpt-To: **removed** Arrival-Date: Fri, 7 Dec 2012 10:09:54 -0800 Message-ID: <**removed**> Authentication-Results: hotmail.com; spf=fail (sender IP is **removed**; identity alignment result is pass and alignment mode is strict) smtp.mailfrom=**removed**; dkim=pass (identity alignment result is pass and alignment mode is strict) header.d=**removed**; x-hmca=pass Source-IP: **removed** Auth-Failure: spf Reported-Domain: **removed** DKIM-Domain: **removed** DKIM-Identity: **removed** DKIM-Selector: dk1 So what I am hoping to find out is, does Hotmail have a stricter DMARC policy than other email providers such as Google and Yahoo? Is there anything else I can do to improve the reputation of forwarded emails? Would changing the SPF parameter from strict to relaxed affect this? Dan West: Systems & Database Specialist | Dr. Bott LLC, "The Gateway to the Digital Lifestyle" 877.611.2688 | 9730 SW Hillman Ct, Ste 600, Wilsonville, OR 97070 | www.drbott.net
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