To add a terms and conditions checkbox on your opt-in form, go to this article: https://support.upviral.com/support/solutions/articles/4000160868-how-to-add-a-terms-conditions-checkbox-to-your-page.
Here's a demonstration:
How to get your support tickets resolved faster
Statistics have shown us that the more you tell us when you report an issue, the faster we solve that ticket. So...
1 - If you have screengrabs, please include them. A picture is worth a thousand words.
2 - If you have recorded a video showing the issue you're having, please include that as well. A video is worth a million words.
We recommend a free service called Loom for creating these videos. (this is a link to useloom.com)
3 - To speed up ticket resolution, follow these useful tips How to Write the Perfect Support Ticket (That Gets Results Fast)