Why and how? Here is the 101 on how to secure your online communication.
Did you know your eMails can be read by anyone? Yes, anyone. eMails are by default transmitted over the internet as plain text, so anyone running an eMail server, can technically read your eMail. In general this is irrelevant, because nobody cares to read all the billions of messages sent all the time, but then there are some agencies like the CIA, DIA, NSA, NGA, NRO, AFISRA, MI, MCIA, ONI, OICI, I&A, CGI, FBI, DEA/ONSI, INR, TFI, NCIS from the USA, the DGSE, DCRI, DRM, DPSD, BRGE, ANSSI, DCPJ, CNCIS, all from France, the BND, MAD, BfV and 16 connected LfV are in Germany. The list goes on, and we can be certain it is incomplete.
Still think your eMails should be unencrypted and easy to read for anyone? Here are some more reasons: