This WordPress plugin allows visitors to download a file from your website if they subscribe to your MailChimp newsletter.Try it out here. Download plugin and subscribe
7/3/2017: V0.5.1 – Cleaned up some of the code.
3/3/2017: V0.5 – This is the first public release of Mail Depot. Will only work with MailChimp but we are planning to add all popular email marketing systems to this, such as Aweber, Get Response and Active Campaign. Also submitted to wordpress.com repository: https://wordpress.org/plugins/maildepot/