First what is Privacy and what factors affect Email Privacy? Wikipedia defines it as “Privacy (from Latin: privatus) is the ability of an individual or group to seclude themselves, or information about themselves, and thereby express themselves selectively”. Privacy has a technical aspect as well as a socio-economic one, and threats to privacy can come from either of these factors. Email privacy is vulnerable to both kinds of threat.
Socio-economic factors are often driven by societal factors that include monetization needs, politics, power, culture, political systems or religions. Although these things are sometimes simply part of life, they can nonetheless be defined in terms of privacy or in terms and conditions agreements between parties. For example, free services often utilize the information of a user as part of a monetization scheme such as targeted advertisements, asking users to agree to their terms. In short, privacy in this socio-economical context may be vulnerable to: