Gmail cracks down on spam for its 20th birthday, requiring authentication and unsubscribe options
- Gmail turning 20 years old; launched in 2004
- Gmail working to improve spam filtering after 20 years
- New rules require senders to authenticate emails, add unsubscribe options, and limit spam rates
- Senders must comply with requirements by Gmail's birthday or messages may be rejected
- Rules apply only to personal Gmail accounts, not Workspaces business accounts