@firstname.lastname@example.org it's getting more standardized here though. Timber was measured in inches until a couple of decades ago but is now mostly metric too, and that was the main big holdover.
@email@example.com and here is what my measuring tape at home looks like now.
"I appreciate SDF but it's a general-purpose server and the name doesn't make it obvious that it's about art." - Eugen Rochko