#spf
Articles tagged #spf
Email & deliverabilityAug 26, 2026 · 5 min read
Why your emails go to spam (and how to fix it)
Emails land in spam because of broken authentication, poor sender reputation, or content that trips filters — here's how to diagnose and fix each one.
Email & deliverabilityAug 5, 2026 · 5 min read
DMARC policy: none, quarantine or reject — which should you use?
A practical guide to choosing p=none, quarantine or reject in your DMARC record, and how to move to full enforcement without breaking legitimate mail.
Domains & DNSJul 27, 2026 · 7 min read
20 DNS security checks every domain should pass
A practical DNS security checklist covering DNSSEC, CAA, SPF/DKIM/DMARC, zone transfers and nameserver hygiene — with commands you can run today.
Email & deliverabilityJul 15, 2026 · 5 min read
How to create a secure SPF record
Learn how to write an SPF record that actually stops spoofing, without tripping the 10-lookup limit that breaks most real-world setups.
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