Tagged “spf”
3 articles
Hosted SPF
How hosted SPF works, why the 10-DNS-lookup limit breaks records, and step-by-step setup, sender merging, ~all vs -all, verification and troubleshooting.
Read moreEmail authentication overview
Email authentication is the set of standards that lets a receiving mail server, such as Gmail, Yahoo or Microsoft 365, decide whether a message that claims to come from your domain genuinely did.
Read moreHow SPF flattening works
SPF records break when they need more than ten DNS lookups to evaluate, and the failure often arrives without you changing a thing. This guide explains the ten-lookup limit, walks through the SPF Flattening tab in DMARC Engine click by click, shows how to read the lookup counter, the Include Tree and the flattened IP list, and explains how hosted SPF keeps your record under the limit automatically with a single include.
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