The focus has been on hacked and released emails, on disappearing emails that reappear on various devices not of the users choosing. In a world of so many faster and more secure ways to communicate, it seems that email would be a last resort for communication. Email can take up to 23 hours on average to receive a response, and even then, open rates have slipped to 20% with only 6% of emails receiving a response. The Big winner is encrypted and ephemeral messaging that disappears from devices to avoid the pitfalls of email.”]
Source: https://informationsecuritybuzz.com/articles/the-age-of-email-is-over/