SPF, DKIM and DMARC, provider by provider

Which records to publish, where to do it in each panel and the mistakes we see most. With each provider’s official values, cited, and the check in the auditor.

• Microsoft 365

  How to set up SPF, DKIM and DMARC for your domain in Microsoft 365: the exact records, where to turn on DKIM in the Defender portal and the usual mistakes.

• Google Workspace

  Set up SPF, DKIM and DMARC for Gmail with your domain in Google Workspace: the SPF Google recommends, how to generate the DKIM key in the console and how to turn it on.

• Cloudflare

  How to publish SPF, DKIM and DMARC on Cloudflare: adding the records, why DKIM CNAMEs must not be proxied, the Email Routing SPF and the free DMARC Management reports.

• Plesk

  How to turn on DKIM signing in Plesk, which SPF and DMARC records it publishes by default and what to change if your domain’s DNS is elsewhere (for example, on Cloudflare).

• cPanel

  How to use cPanel’s “Email Deliverability” to install SPF and DKIM, what to do if your DNS is elsewhere and how to add DMARC.

• IONOS

  What IONOS sets up for you (SPF and DKIM with its name servers), which records to copy if your DNS is elsewhere and how to add DMARC.