Before sending your first email campaign, you need to set up and verify your sender details. Here's how to do it properly:

Sender Details Basics

Use a custom domain email (like [email protected]) rather than free services like Gmail for better deliverability and to avoid spam flags. You can create up to 10 sender details but use only one at a time.

Step 1: Create Sender Details

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

Step 2: Verify Your Email

1. Check your inbox for the verification email
2. Copy the verification code
3. Enter the code in the sender details setup window

Step 3: Verify Your Domain

• Squarespace domains verify automatically
• Third-party domains require manual verification
• DMARC policy set to p=reject requires domain verification first

Managing Sender Details

To Edit:

1. Go to Email Campaign settings
2. Find the sender details to edit
3. Click "..." and select "Edit"
4. Modify the name and save

To Delete:

1. Access Email Campaign settings
2. Locate the sender details
3. Click "..." and select "Delete"
4. Confirm deletion

Important Notes:

• Email addresses cannot be edited; create new sender details instead
• Custom domain emails are strongly recommended over free email services
• Some free email providers (like AOL, Yahoo, iCloud) are not supported
• Your mailing address will be added separately when sending campaigns

For best results:

1. Register your domain through Squarespace
2. Set up Google Workspace email
3. Create and verify sender details

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