Fix guides
DMARC Alignment Fixes by Email Provider
DMARC alignment fails differently for every email provider. Select your provider for the exact CNAMEs and steps required.
SendGrid
CNAME branding and alignment for SendGrid.
Mailgun
DNS records for Mailgun sending alignment.
Google Workspace
Alignment with Google-hosted mail.
Microsoft 365
Selector CNAMEs and M365 DMARC.
Mailchimp
Transactional and marketing alignment.
Klaviyo
Klaviyo sender domain setup.
HubSpot
HubSpot email sending alignment.
Postmark
DKIM and return-path for Postmark.
Amazon SES
Easy DKIM and custom MAIL FROM.
Brevo
Brevo (Sendinblue) domain auth.
Zoho Mail
Zoho DNS and alignment.
Fastmail
Fastmail-hosted domain alignment.
Proofpoint
Gateway and relay alignment.
Mimecast
Mimecast DNS and DMARC.
SparkPost
SparkPost sending alignment.