You may be requested sites charge for example when you click URL on e-mail and images on the sites.
This is 'one-click fraud' and this is crimes.
You do not have to pay money.
You may be shown your IP adress of your computer for example, but everyone can not isolate an individual.
So, criminals cannot know about your private information.
And you should not send an e-mail because it is dangerous.
Criminals will be able to know your e-mail adress, which is your personal datas.
