Welcome to DMARC.wiki, a directory of email service providers and their DMARC compliance level when used with custom domains.

For each provider you'll find their support for SPF alignment, DKIM and DKIM alignment, with instructions and tips on how to configure them.

Email hosting

Fastmail

SPF alignment

DKIM alignment

See instructions and tips

Google Workspace

SPF alignment

DKIM alignment

See instructions and tips

Microsoft 365

SPF alignment

DKIM alignment

See instructions and tips

Marketing, newsletters & transactional

Amazon SES

SPF alignment

DKIM alignment

See instructions and tips

Brevo

SPF alignment

DKIM alignment

See instructions and tips

EmailOctopus

SPF alignment

DKIM alignment

See instructions and tips

HubSpot

SPF alignment

DKIM alignment

See instructions and tips

MailChannels

SPF alignment

No DKIM support

See instructions and tips

Mailchimp

SPF alignment

DKIM alignment

See instructions and tips

Mailgun

SPF alignment

DKIM alignment

See instructions and tips

MailPace

SPF alignment

DKIM alignment

See instructions and tips

SendGrid

SPF alignment

DKIM alignment

See instructions and tips