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SPF, DKIM, DMARC: the 15-minute setup that actually passes
TL;DR: A practical, quick guide to setting up SPF, DKIM, and DMARC to improve email deliverability. It covers exact records, common mistakes, and verification steps.
The post outlines a 15-minute setup for email authentication using SPF, DKIM, and DMARC. It emphasizes that SPF lists allowed sending servers, DKIM uses a provider-generated key pair, and DMARC defines failure handling and reporting. It warns against common mistakes like multiple SPF TXT records and proxied DKIM CNAMEs. It also explains how to verify configurations with tools like dig and DKIM checks.
Question for the room: What is the most challenging SPF-related detail you’ve encountered, and how did you resolve it?
— via dev.to
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