On: Lies we tell ourselves about email addresses

[mjmas]

From my reading through the RFCs a few months ago the message and smtp envelope also have different rules for addresses, and the message allows the local-part to contain whitespace but the envelope doesn't.

[dathinab → mjmas]

both allow it but only if you use quoted text AFIK

through the message does allow an additional display name (like `display name <email>`) which has it's own rules.