Mono Font

2026-06-06T22:54:55-04:00

TL;DR: Don't overthink it, just send a verification email.

Bear with me, because some of these “lies” are going to feel obvious, or like unimportant trivia. In all honesty, that’s not that far from the truth. However, I hope you’ll let me try to build a detailed and fun illustration showing how something as mundane as email can break our expectations in surprising ways.

We’ll cover a lot of edge cases, stumble over some small blocks, and even discover a few technically-correct things that are valid, but not commonly supported even in big systems like Gmail (probably for good reason, to be fair).

Each example isn’t necessarily meant to be a meaningful use-case that you need to go make sure you’re handling correctly.…