Apple MailHotkey Cheatsheet
Mail is an email client included by Apple Inc. with its operating systems macOS, iOS, iPadOS, watchOS, and visionOS. Mail grew out of NeXTMail, which was originally developed by NeXT as part of its NeXTSTEP operating system, after Apple is acquisition of NeXT in 1997.
A visual cheat-sheet for the 52 keyboard shortcuts found in Apple Mail