Email is so ingrained in business communication that many business users don’t realize how this indispensable tool can lead to data compromise. According to research by Proofpoint, 91% of targeted attacks, such as ransomware and phishing, start with email.

Almost half of all email traffic is said to be spam. Email spam is any unsolicited message that tends to be sent in bulk. Spam is not only annoying but dangerous. They can be junk filling up an inbox, distracting users from important messages and hampering office productivity.