Technik Toolbox

SPF Record Generator

Domain Name *

Authorized IPs

Comma-separated list of IPv4/IPv6 addresses allowed to send mail.

Common Email Providers

Select any third-party services that send email on your behalf.

Google Workspace

Microsoft 365

Zoho Mail

Mailgun

SendGrid

Amazon SES

Other SPF Includes

Comma-separated list of any other domains authorized to send mail.

Use strict mode (-all)

If checked, emails failing SPF will be rejected (-all). Otherwise, they will be marked as softfail (~all).