Email Provider Setup Guides
Step-by-step SPF, DKIM, and DMARC configuration for every major email provider. Fix authentication issues and reach the inbox.
Workspace Email
Gmail
3B+ users
SPF, DKIM & DMARC setup for Gmail / Google Workspace
Microsoft 365
345M+ users
SPF, DKIM & DMARC setup for Outlook / Microsoft 365
Zoho Mail
15M+ users
SPF, DKIM & DMARC setup for Zoho Mail
Proton Mail
100M+ users
SPF, DKIM & DMARC setup for Proton Mail (Proton Business)
Transactional Email
SendGrid
80B+ emails/month
SPF, DKIM & DMARC setup for SendGrid (Twilio)
AWS SES
Millions of businesses
SPF, DKIM & DMARC setup for Amazon SES (Simple Email Service)
Postmark
100K+ customers
SPF, DKIM & DMARC setup for Postmark
Mailgun
Millions of developers
SPF, DKIM & DMARC setup for Mailgun
Email Marketing
Mailchimp
11M+ users
SPF, DKIM & DMARC setup for Mailchimp
Klaviyo
130K+ businesses
SPF, DKIM & DMARC setup for Klaviyo
Brevo
500K+ businesses
SPF, DKIM & DMARC setup for Brevo (formerly Sendinblue)
HubSpot
205K+ customers
SPF, DKIM & DMARC setup for HubSpot Email
ConvertKit
600K+ creators
SPF, DKIM & DMARC setup for ConvertKit / Kit
ActiveCampaign
180K+ customers
SPF, DKIM & DMARC setup for ActiveCampaign
Authentication configured? Check your blacklist status.
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