Creating and authenticating sender information is crucial for successful email campaigns. Here's how to set it up properly:

Why Use Custom Domain Emails?

Major email providers like Google limit bulk emails from free services to prevent spam. Using custom domain emails (like [email protected]) ensures better delivery rates and professional presentation.

Creating Sender Information

1. Navigate to Email Campaign Settings
2. Click "Sender Information" then "Add Sender"
3. Enter:
   • Sender name (visible to recipients)
   • Email address (preferably custom domain)
4. You can create up to 10 sender sets, but only use one at a time

Authentication Process

Email Authentication:

• Receive authentication code via email
• Enter code in Set Sender Information window
• Check spam folder if email doesn't arrive

Domain Authentication:

• Squarespace domains: Automatically authenticated
• Third-party domains: Requires manual authentication
• DMARC policy set to p=reject requires authentication

Free Email Service Limitations

Using free email services (Gmail, Yahoo, etc.) may cause:

• Emails marked as spam
• Delivery issues
• Modified "From:" addresses using sqspmail.com

Unsupported Email Providers:

• aol.com
• centurylink.net
• icloud.com
• yahoo.com
• mac.com/me.com
• squarespace-related domains

Managing Sender Information

Edit Sender Details:

1. Access Email Campaign Settings
2. Locate sender information
3. Click "..." then "Edit"
4. Modify name only (email cannot be edited)

Delete Sender Information:

1. Go to Email Campaign Settings
2. Find sender information
3. Click "..." then "Delete"
4. Confirm deletion

Best Practices:

• Use custom domain emails
• Authenticate both email and domain
• Provide accurate sender information
• Consider using Google Workspace for professional email addresses

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