One of most requested features from our users and customers are support for subscription on contact forms.
We just published a plugin to add support to Contact Form 7 forms, on WordPress.org repository.
This is the list of features:
* Subscribe to different mailing lists based on browsing language
* Works with Knews and Knews Pro
* Support for the Knews Pro’s custom fields (every CF7 form field can be catched and saved on Knews Pro subscriber data in the same way as name, surname and email)
* Opt-in (email confirmation) as option
1. Use the Knews CF7 Tag generator
2. Configure the options. Then copy and paste the TAG into the form
3. You’ve the subscription checkbox on the form