2. Commands

2.1 Buffer Entry		Commands after entering a Message buffer.
2.2 Header Commands		Commands for moving headers or changing headers.
2.3 Movement		Moving around in message buffers.
2.4 Insertion		Inserting things into message buffers.
2.5 MIME		MIME considerations.
2.6 IDNA		Non-ASCII domain name considerations.
2.7 Security		Signing and encrypting messages.
2.8 Various Commands		Various things.
2.9 Sending		Actually sending the message.
2.10 Mail Aliases		How to use mail aliases.
2.11 Spelling		Having Emacs check your spelling.