5.3 million emails daily

5.3 million

corporate emails daily

With one of the largest corporate email systems, in 2020, the Postal Service handled more than 5.3 million legitimate emails a day delivered to more than 216,000 email accounts.

* | Tags: Fun facts Size & scope USPS Fact #338 | March 5, 2021

Staying connected

The Postal Service has one of the world’s largest computer networks — linking more than 31,000 facilities and connecting hundreds of thousands of employees and hundreds of systems.

In 2020:

  • Spam: More than 2 million email messages were blocked monthly due to spam.
  • Content: More than 680,000 emails were blocked monthly due to inappropriate content.
  • Malware: More than 14,000 email messages were blocked monthly containing malware.
  • Blocking bad actors: More than 7 million email messages were blocked monthly due to sender reputation
  • On average, 50 percent of the 24 million email messages received from external senders were blocked monthly, for the safety of the Postal Service network and email users.