Email Authentication Guides
Step-by-step instructions to set up DMARC, SPF, and DKIM for your domain. Find your email provider and get started.
Provider Guides
How to Set Up DMARC for HubSpot
Step-by-step guide to configuring SPF, DKIM, and DMARC for HubSpot email authentication. Improve deliverability and meet Google/Yahoo sender requirements.
How to Set Up DMARC for Amazon SES
Configure SPF, DKIM, and DMARC for Amazon SES. Step-by-step guide to domain verification, Easy DKIM, and custom MAIL FROM setup.
How to Set Up DMARC for Mailchimp
Configure DKIM and DMARC for Mailchimp email campaigns. Step-by-step domain authentication to improve deliverability and meet sender requirements.
How to Set Up DMARC for SendGrid
Configure SPF, DKIM, and DMARC for SendGrid with automated security. Step-by-step domain authentication for Twilio SendGrid users.
How to Set Up DMARC for Microsoft 365
Complete guide to SPF, DKIM, and DMARC for Microsoft 365. Step-by-step email authentication setup with Defender portal instructions.
How to Set Up DMARC for Google Workspace
Step-by-step guide to configuring SPF, DKIM, and DMARC for Google Workspace. Complete email authentication setup in under 30 minutes.
Setup Guides
BIMI: Display Your Logo in Email Inboxes
Learn how BIMI works, what's required to implement it, and whether your organization is ready to display your logo in Gmail, Yahoo, and Apple Mail.
DMARC Checker: How to Verify Your Email Authentication Setup
Learn how to use a DMARC checker to validate your email security configuration, identify vulnerabilities, and protect your domain from spoofing.
Best Practices
How to Implement a DMARC Policy for Enhanced Email Security
Learn how to set up DMARC policy options, fix common errors, and reach enforcement. A practical guide to protecting your domain from spoofing.
Google, Yahoo & Microsoft Bulk Sender Requirements
Complete guide to email authentication requirements from Google, Yahoo, and Microsoft. Meet SPF, DKIM, and DMARC compliance to avoid email rejections.
How to Get Your Vendors to Fix Email Authentication
A practical guide to coordinating with ESPs, CRMs, and other services to fix DMARC, SPF, and DKIM issues.
Verkh vs. Other DMARC Platforms: An Honest Comparison
How Verkh compares to Valimail, EasyDMARC, Dmarcian, and enterprise suites. Where we win and where others fit better.
Troubleshooting
How to Get Your ESP to Fix DKIM Authentication
How to escalate DKIM and SPF issues with your ESP. Includes support templates, evidence gathering tips, and troubleshooting steps.
Why Your SPF Record is Failing
Fix SPF failures, PermErrors, and DNS lookup limits. Practical troubleshooting for IT admins who need their email to work.
Need help implementing these guides?
Verkh monitors your DMARC deployment and alerts you when something needs attention.
Start Free