Which security technology would help with spam?
[ multifactor authentication | VPN | firewall | email filtering ]

Spam

Email that is unsolicited and comes from unknown people or businesses.

Email Filtering

The process of automatically sorting incoming emails based on specified criteria, such as sender, subject, or content, to organize or protect against unwanted messages.

Firewall

A network protection mechanism, a firewall performs the crucial role of a gatekeeper, deciding which traffic is allowed or blocked based on security policies.