RFC5322 is not an obscure format. It's been around since forever, and every email client under the sun uses it. What is an obscure format is whatever Microsoft

RFC5322 is not an obscure format. It's been around since forever, and every email client under the sun uses it. What is an obscure format is whatever Microsoft Outlook uses to store emails: https://en.wikipedia.org/wiki/Personal_Storage_Table https://en.wikipedia.org/wiki/Personal_Storage_Table