The Fourth Amendment to the US constitution wasn't written with e-mail in mind. It protects "the right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures" and says that this security "shall not be violated, and no Warrants shall issue, but upon probable cause." Read literally, this applies much more obviously to tangible items than to electrical signals on a wire.
4 - Use a moisturizer on the penis before the exercises and it is preferred not to use soap and shampoo as these materials will lead to redness and irritation of the penis skin . If it stays for a long period of time, in addition to dry skin, and the occurrence of cracks, it is preferred to use the Intensive Care Vaseline instead of the ordinary Vaseline as it can stay on the skin for long period of time without irritating or damaging the skin of the penis.