https://www.rfc-editor.org/rfc/rfc5322.html https://www.rfc-editor.org/rfc/rfc5322.html This is the standard. “Taking it with a grain of salt” results in brok

https://www.rfc-editor.org/rfc/rfc5322.html https://www.rfc-editor.org/rfc/rfc5322.html This is the standard. “Taking it with a grain of salt” results in broken websites and servers that reject valid mail addresses.