Email addresses that fail form submission may be flagged by Mailchimp as suspicious or experience connection issues. Here's how to troubleshoot common Mailchimp integration problems:

Quick Fixes for Common Issues:

• Keep form fields under 30 (Mailchimp limit)
• Use identical fields across connected blocks
• Test with new email addresses (not already subscribed)
• Enable Google reCAPTCHA on forms

Resolving Connection Problems:

1. Reset Form Connection:

• Open page menu and locate the form
• Access block editor and go to Storage tab
• Disconnect and reconnect Mailchimp
• Select audience from dropdown menu

2. Disable Required Fields in Mailchimp:

• Navigate to Audiences > Signup Forms
• Click Settings > Audience Fields
• Uncheck all required boxes (except email)

3. Try a New Audience:

• Create fresh audience in Mailchimp
• Connect form to new audience
• Test submission

4. Reset Mailchimp Integration:

• Disconnect form from Mailchimp
• Log into Mailchimp account
• Remove Squarespace connection
• Reconnect and test

Additional Troubleshooting:

• Subscriber Confirmation: Check double opt-in settings if subscribers aren't receiving confirmation emails
• Spam Prevention: Review Mailchimp's DMARC policies for email delivery issues
• Manual Addition: Add flagged emails directly through Mailchimp if necessary

For persistent issues, contact Mailchimp support or review their documentation for detailed guidance.

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