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(message)Responses

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Responses
=========

   To determine where a message is to go, the following algorithm is
used by default.

"reply"
     A "reply" is when you want to respond _just_ to the person who
     sent the message via mail.  There will only be one recipient.  To
     determine who the recipient will be, the following headers are
     consulted, in turn:

    `Reply-To'

    `From'

"wide reply"
     A "wide reply" is a mail response that includes _all_ entities
     mentioned in the message you are responded to.  All mailboxes from
     the following headers will be concatenated to form the outgoing
     `To'/`Cc' headers:

    `From'
          (unless there's a `Reply-To', in which case that is used
          instead).

    `Cc'

    `To'
     If a `Mail-Copies-To' header is present, it will also be included
     in the list of mailboxes.  If this header is `never', that means
     that the `From' (or `Reply-To') mailbox will be suppressed.

"followup"
     A "followup" is a response sent via news.  The following headers
     (listed in order of precedence) determine where the response is to
     be sent:

    `Followup-To'

    `Newsgroups'
     If a `Mail-Copies-To' header is present, it will be used as the
     basis of the new `Cc' header, except if this header is `never'.