Message 5.7 Manual. Node: Message Buffers
3.8: Message Buffers
Message will generate new buffers with unique buffer names when you
request a message buffer. When you send the message, the buffer isn't
normally killed off. Its name is changed and a certain number of old
message buffers are kept alive.
nil, generate new buffers. The default is
this is a function, call that function with three parameters: The type,
the to address and the group name. (Any of these may be
The function should return the new buffer name.
This variable says how many old message buffers to keep. If there are
more message buffers than this, the oldest buffer will be killed. The
default is 10. If this variable is
nil, no old message buffers
will ever be killed.
After sending a message, the buffer is renamed from, for instance,
*reply to Lars*' to `
*sent reply to Lars*'. If you don't
like this, set this variable to a function that renames the buffer in a
manner you like. If you don't want to rename the buffer at all, you can
(setq message-send-rename-function 'ignore)
nil, kill the buffer immediately on exit.