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About reCAPTCHA for Signup Forms

Learn about Google reCAPTCHA for Mailchimp signup forms, and how to enable it for your audience.

Add Hidden Fields to a Signup Form

Hidden fields help you store unseen contact data. You then can use this data to segment your audience. Learn how to add hidden fields to your signup form.

Automatically Add Subscribers to a Group at Signup

You can use your signup form to assign subscribers to preselected groups. Learn how to change your form code to use preselected groups.

How to Create an Account

Are you ready to create a Mailchimp account? This guide will walk you through the entire process, from sign up to activation.

Limits on Role-Based Addresses

Role-based addresses are typically company addresses defined by a job rather than a person. Learn about the role based addresses Mailchimp will allow.

About High-Volume Audiences

Learn about high-volume audiences in Mailchimp and what you should do and expect if you have an extremely large audience.

Causes of High Bounce Rates

There are several reasons for high bounce rates in a Mailchimp campaign report. Learn about the common causes of high bounce rates and how to fix them.

About Unsubscribe Warnings

Learn what an unsubscribe warning means, and what to do about it.

About Bounce Warnings

Learn what a bounce warning means in Mailchimp, and what to do about it.

Troubleshoot the Signup Activation Email

Troubleshoot common reasons why you haven't received the account activation email.

View and Target Subscriber Email Clients

Use Mailchimp to send targeted campaigns based on email clients, such as Outlook or Gmail. Learn more about your audience's top email clients and segmenting.

Manage Audience and Signup Form Fields

Mailchimp stores your contact data in audience fields. Learn about field types, how to view this data, and how to add and delete fields.