Pay for email? No way... pay for email services? possibily... Maybe if you elaborate what you have in mind we can give more effecient input....
There is nothing specific in mind yet as I am still studying how Bitcoin works and what services are already available. However, it definitely is not a paid email service
These questions are generic and not linked to any specific idea in order to reflect the existing preference and habits of the potential users. Due to this, the poll results are also applicable for any developers who are planning their own projects. In this way, I hope I am also contributing to the community and not merely asking questions for the benefits of my own plans.