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SPF

Field notes from building outbound systems for B2B teams — infrastructure, research, and the numbers behind both.

An email passes through three authentication gates representing SPF, DKIM and DMARC before reaching an inbox
Email Deliverability Latest · September 22, 2024 · 5 min read

SPF, DKIM and DMARC Setup for Cold Email Domains

SPF, DKIM and DMARC setup authorizes senders, signs messages and checks domain alignment. Configure and test all three before sending cold email.