Free tools

SPF record generator

SPF lists the services allowed to send email as your domain. Tick every service you use, then paste the result into your DNS as a TXT record at @.

Which services send email for you?

Google Workspace Microsoft 365 GoDaddy Email Zoho Mail Proton Mail Fastmail iCloud custom domain Mailchimp Constant Contact Brevo SendGrid Mailgun Amazon SES Shopify Zendesk Postmark

Other SPF includes (optional) What should happen to everyone else? Soft fail (~all): recommended to startHard fail (-all): strictest

Build my SPF record