DMARC.AI

A complete DMARC setup guide for Google Workspace tenants — SPF, DKIM, DMARC configuration in the admin console.

A complete DMARC setup guide for Microsoft 365 tenants — SPF, DKIM, DMARC, and the tenant-side gotchas.

Amazon SES requires domain identity verification plus DKIM config to satisfy DMARC. Here’s the AWS-specific setup.

SendGrid is a top transactional sender. Authenticating it for DMARC requires domain validation and proper DKIM config. Here’s the playbook.

Zendesk handles a lot of support email. DMARC alignment requires connecting your custom domain through Zendesk’s setup.

Shopify sends order confirmations, shipping, and marketing email. DMARC alignment requires connecting your domain through Shopify’s setup.

Salesforce sends a lot of sales mail. Aligning it with DMARC takes a specific configuration — here’s the step-by-step.

Authenticating HubSpot for DMARC: configure custom DKIM, ensure sales mail aligns, watch alignment for both marketing and sales flows.

Authenticating Mailchimp for DMARC alignment is a single configuration in Mailchimp + DNS. Here’s the step-by-step.

Mimecast best practices for DMARC, SPF, and DKIM. Configure outbound signing, inbound enforcement, and avoid the common alignment failures.