MailChimp

A MailChimp Opt-in Field for Contact Form 7

MailChimp is one bad-ass email marketing and email list management tool. Contact form 7 is also one of the most popular free contact forms for WordPress.

Wouldn’t it be nice if they worked together?

With a bit of PHP magic, here’s how to create a MailChimp opt-in field for Contact Form 7 which automatically adds an email address to a MailChimp list.