Analysis of over 25 billion emails from Hornetsecurity reveals that 40.5 percent of work emails are unwanted.

We’re tempted to say, “only four out of 10?” but it all depends how you define unwanted. The report looks specifically at the use of email to deliver malicious payloads — so those emails from your boss that you’d rather not receive don’t count!

Source: Four out of 10 work emails are unwanted