The DDMARC Blogcompliance
Field notes tagged compliance
3 field notes tagged compliance. Back to everything.
01DMARC for Healthcare: HIPAA, Email Security, and What Auditors Actually CheckHIPAA does not name DMARC, but auditors increasingly expect enforced email authentication for ePHI. How DMARC maps to the Security Rule, and how to roll it out in a clinic.compliancehealthcaredmarcJul 27, 20265 min read02Microsoft 365 Sender Requirements EnforcedMicrosoft now requires SPF, DKIM and an aligned DMARC record for bulk mail to Outlook.com. Who is affected and how it compares to Google and Yahoo's rules.deliverabilitycompliancemicrosoftJun 30, 20264 min read03Google & Yahoo Sender Requirements 2026The 2026 Yahoo & Google bulk-sender rules — SPF, DKIM, DMARC alignment, one-click unsubscribe, and the 0.3% spam-rate limit — in one checklist to confirm you comply.deliverabilitycompliancegoogle-yahooMay 12, 20264 min readrev Jul 2026
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