Popup

I am using html code I found on a forum which works fine on the webpage – http://www.legacyletter.org/newsletter-signup/ to use on a Popup. It does not work through the popup. Has anyone used a popup with Sendpress that works or have another way to use Sendpress with a popup?

Thanks,
Megan

https://ww.wp.xz.cn/plugins/sendpress/