Y2K22: The Problem that Caused Millions of Emails Worldwide to go Undelivered

Too Long; Didn't Read

The new year arrived with new errors on [Microsoft Exchange] server. The problem caused millions of emails worldwide to go undelivered. Microsoft Exchange's malware scanning engine stores signature dates using [32-bit integers] The largest possible number that can be stored in 32-bit is *2147483647*. However, the QA team forgot to make basic boundaries testing using the [Zombie-testing-one-behavior-at-a-time-9s2m3zjo.