Complete Guide: How to Configure and Verify Email Sender Details

Complete Guide: How to Configure and Verify Email Sender Details

By Michael Turner

January 2, 2025 at 07:29 AM

Email campaigns require properly configured sender details to ensure successful delivery. Here's how to set up and verify your sender information:

Recommended Setup

  • Use a custom domain email (e.g., [email protected]) rather than free email services
  • Avoid free email providers like Gmail to prevent spam filtering
  • Verify both your email address and domain
  • Include accurate sender information to comply with laws like CAN-SPAM

Creating Sender Details

  1. Navigate to Email Marketing settings
  2. Click "Sender Details" then "Add Sender"
  3. Enter your sender name (visible to recipients)
  4. Add your sending email address
  5. Click Next

Email Verification

  1. Check your inbox for the verification code
  2. Enter the code in the sender details window
  3. Click Next to complete verification

Domain Verification

  • Squarespace domains: Automatically verified
  • Third-party domains: Requires manual verification
  • DMARC policy set to p=reject requires domain verification first

Important Notes

  • You can create up to 10 sender details
  • The most recently verified address becomes the default
  • Postal addresses are added when sending campaigns, not in sender details
  • Some free email providers are not supported, including:
    • aol.com
    • yahoo.com
    • icloud.com
    • me.com
    • mac.com

Managing Sender Details

  • To edit: Access settings, click "..." next to sender details, select Edit
  • To delete: Click "..." and select Delete
  • Email addresses cannot be edited; create new sender details instead

For optimal deliverability, register your domain through Squarespace and use Google Workspace for custom email addresses.

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