I worked at an F500 company a couple years ago that still restricts all its email addresses to 8 characters because those double as your corporate ID and someti

I worked at an F500 company a couple years ago that still restricts all its email addresses to 8 characters because those double as your corporate ID and sometimes got used in Unix systems with an 8-character restriction. I don’t know if they still have any systems with that restriction. They probably don’t know either, and it has become a cargo cult.