SPF and DMARC builder

Answer a few questions and get the two DNS records that tell other mail servers which mail from your domain is genuine.

The records are put together in your browser. Nothing is sent anywhere.

SPF: who may send

The servers that receive mail for the domain (its MX records) The web server of the domain (its A record), for example for contact forms

Other services that send for you (optional)

The SPF name each service asks you to include. Separate several with commas.

Other IP addresses that send for you (optional)

Mail from anyone else should be

Rejected-all Treated as suspect~all Not judged?all

TXT record on

Mail that fails the checks should be

Deliverednone: just report Put in spamquarantine Refusedreject

Send reports to (optional)

Apply to this share of mail

Percent. Lower it to phase a stricter policy in.

TXT record on