299 ;;Quote: memo-based mail: mailbox, sender, recipients, point to point transport

300 ;;Quote: in a conference, there may be several different threads of discussion

301 ;;Quote: electronic mail should allow attachments which are not automatically displayed

301 ;;Quote: name directory should support mailbox addresses, logical addresses and descriptive addresses

301+ ;;Quote: a directory service should provide access to names by their description

301+ ;;Quote: name directory should accept and display names according to user preferences

301 ;;Quote: with electronic mail can discuss a topic with varying breadth, number of users, and duration

301 ;;Quote: electronic mail should group related messages together in conversations

302 ;;Quote: should be able to access old messages from a conversation

302 ;;Quote: users have unique styles for organizing information; they define their own categories

302 ;;Quote: start an email conversation by defining participants and writing a title

302 ;;Quote: messages in a conversation preserves a partial ordering by what messages a user saw previously

304 ;;Quote: messages in a conversation are visible until hidden by the user

304 ;;Quote: an attachment to electronic mail is an arbitrary file that can be retrieved, displayed, piped, or saved

304 ;;Quote: email conversations grouped into categories explicitly, by content, or by recency

306 ;;Quote: conversation-based mail includes memo, conference, and magazine models of mail

314 ;;Quote: DRAGONMAIL supports conversations; tend to be more focused and shorter than conferences

314 ;;Quote: partial ordering of messages in a conversation useful for late replies which used an old context

315 ;;Quote: determining when to hide a message in a conversation requires careful administration