Mailchimp and Squarespace work together to help you manage email marketing, collect subscribers, and sync your online store information. Here's everything you need to know about using these platforms together effectively.

Setting Up Domain Authentication

To prevent your emails from being marked as spam, set up email domain authentication:

1. Create two CNAME records in your DNS settings:

• First Record: Type: CNAME, Host: k2._domainkey, Data: dkim2.mcsv.net
• Second Record: Type: CNAME, Host: k3._domainkey, Data: dkim3.mcsv.net

2. Complete Mailchimp's authentication process using these records

Connecting Forms and Newsletters

To collect email addresses through Squarespace forms:

1. Open Block Editor and click Storage
2. Click Connect next to Mailchimp
3. Log in to your Mailchimp account
4. Select target audience for submissions

Important considerations:

• Use blank Mailchimp audiences for new forms
• Limit form fields to 30 or fewer
• Ensure field values don't exceed 255 characters
• Keep form fields identical when connecting multiple forms to one audience

Advanced Features

Newsletter Pop-ups: Create pop-ups to capture visitor emails when they access your site

Checkout Integration: Add a "Join Mailing List" option during checkout (Commerce plan required)

Blog-to-Email: Use Mailchimp's RSS-to-Email campaigns to automatically send blog updates to subscribers

Store Synchronization: Connect Mailchimp extensions to sync:

• Products
• Orders
• Customer information

Managing Subscriptions

Double Opt-in:

• Enabled by default
• Recommended for EU compliance
• Can be disabled through form editor settings

Multiple Accounts:

• Connect different Mailchimp accounts to separate forms
• Each form operates independently
• Use separate audiences for different forms to prevent conflicts

Traffic Analysis

Track visitor sources through Mailchimp campaigns:

• Monitor campaign effectiveness
• Measure form conversion rates
• Compare traffic sources
• Track both your campaigns and external Mailchimp referrals

These integrations help create a seamless connection between your Squarespace site and email marketing efforts, enabling effective audience growth and engagement.

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