Guides

Step-by-step setup for the two most common providers, plus generators to build a starting SPF or DMARC record. The SPF, DKIM and DMARC pages cover the general principles that apply regardless of provider.

Using something else — a marketing platform, CRM, or invoicing tool — alongside Microsoft 365 or Google Workspace? Add its include: to the same SPF record rather than publishing a second one; the SPF generator handles combining providers correctly.

Run a free check first to see exactly what's missing before you start (see how it works).