In this article, you’ll learn why you are missing an [email-tag] in the email dropdown and why [email-tag] is required my Mailchimp.com
In order to send visitors information to Mailchimp.com, your form needs at least 1 important field. This field is the [email-tag], if this info is missing from your submission, nothing will be added to your mailing list inside Mailchimp.com.
To add a basic email field to your form you can copy and paste this snippet to your form: [email* your-email].
You can see this snippet in context here, this is the ‘Form Tab’ inside Contact Form 7:
FREE Integration for WordPress Contact Form 7 with MailChimp. Automatically add form submissions to predetermined lists in MailChimp, using its latest API. This MailChimp Extension supports multiple mailing lists and API Keys.