Deliverability
Deliverability guides and product notes — no filler.
How to set up SPF, DKIM, and DMARC in Cloudflare
Set up SPF, DKIM, and DMARC in Cloudflare DNS: where to add each TXT record, what to enter in the Name field, and how to verify it works.
Set up SPF, DKIM, and DMARC in GoDaddy
Add SPF, DKIM, and DMARC records in GoDaddy DNS: find the editor, use the @ Name-field convention, then verify. Step-by-step 2026 guide.
How to set up SPF, DKIM, and DMARC in Namecheap
Set up SPF, DKIM, and DMARC in Namecheap: where each TXT record goes in Advanced DNS and what to type in the Host field for @, _dmarc, and DKIM.
Set up SPF, DKIM, and DMARC in AWS Route 53
Publish SPF, DKIM, and DMARC as TXT records in AWS Route 53 — where to add each record, the fully-qualified naming, and the 255-character DKIM split.
How to set up SPF, DKIM, and DMARC in Squarespace
Set up SPF, DKIM, and DMARC in Squarespace Domains: where the DNS editor lives and what to enter in the Host field for each TXT record.
How to set up SPF, DKIM, and DMARC in Wix
Set up SPF, DKIM, and DMARC in Wix: where the DNS editor lives, what to enter for @, _dmarc, and your DKIM selector, plus the pointed-domain trap.
Email sender reputation explained
Sender reputation is the score providers keep on you — the variable behind inbox vs spam. What moves it, how to check it, and how to protect and repair it.
How to set up SPF, DKIM, and DMARC in Bluehost
Set up SPF, DKIM, and DMARC in Bluehost: find the DNS editor, add each TXT record with the right host, and merge SPF instead of a duplicate.
How to set up SPF, DKIM, and DMARC in Hostinger
Set up SPF, DKIM, and DMARC in Hostinger's hPanel DNS editor: where each TXT record goes, what to enter in the Name field, and how to verify it.
How to set up SPF, DKIM, and DMARC in IONOS
Set up SPF, DKIM, and DMARC in IONOS: where the DNS editor is and what to enter in the host field for the root, _dmarc, and DKIM selector.
How to set up SPF, DKIM, and DMARC in Porkbun
Add SPF, DKIM, and DMARC records in Porkbun's DNS editor. Exactly what goes in the Host and Answer fields for each TXT record, in the right order.
SPF, DKIM, and DMARC explained
SPF, DKIM, and DMARC are the DNS records that prove your mail is really yours — and mandatory for bulk senders since 2024. What each does, explained.