On 30 January 2021, panic gradually spreads across the Internet, peaking on Monday 1 February 2021. The cause? All email filtering systems using SpamCop mark 100% of messages as spam, and hundreds of thousands of messages are lost. The reason? Cisco failing to renew the spamcop.net domain, plus a few particular circumstances. How could that incident lead to every tested IP address being blacklisted? An immediate look back at the incident a few hours later, after a gradual return to normal...
All my links, projects and social media: https://all.bo