Here's a streamlined guide for troubleshooting Mailchimp integration issues:

Common Issues Prevention

• Keep form fields under 30 (Mailchimp's limit)
• Ensure consistency across blocks connected to the same audience
• Use new email addresses for testing integrations
• Enable Google reCAPTCHA to prevent spam submissions

Email Submission Error Resolution

1. Check the form connection:

• Open Pages panel and locate affected page
• Access block editor
• Go to Storage tab
• Disconnect and reconnect Mailchimp
• Reselect target audience

2. If problems persist:

• Verify field count (max 30)
• Check audience-block field consistency
• Uncheck Mailchimp mandatory fields
• Reset Mailchimp connection
• Add legitimate emails manually

Fixing Connection Issues

1. Uncheck Mailchimp mandatory fields:

• Navigate to Audience page
• Access Signup forms
• Open Settings
• Locate Audience fields and MERGE tags
• Uncheck all Mandatory boxes

2. Create new audience:

• Set up empty audience in Mailchimp
• Update block settings
• Select new audience from dropdown

3. Reset Mailchimp connection:

• Disconnect form in block editor
• Access Mailchimp integrations
• Remove Squarespace connection
• Reconnect and test submission
• Relink all affected forms

Additional Troubleshooting

Subscriber Confirmation:

• Check double opt-in settings
• Verify confirmation email delivery
• Review spam folder settings

Spam Prevention:

• Follow DMARC policies
• Use authenticated domains
• Implement recommended Mailchimp delivery solutions

For persistent issues, consult Mailchimp's documentation or contact their support team directly.

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