Variable: nnmail-expiry-target
nnmail-expiry-target is a customizable variable defined in
nnmail.el.gz.
Value
delete
Documentation
Variable that says where expired messages should end up.
The default value is delete (which says to delete the messages),
but it can also be a string or a function. If it is a string, expired
messages end up in that group. If it is a function, the function is
called in a buffer narrowed to the message in question. The function
receives one argument, the name of the group the message comes from.
The return value should be delete or a group name (a string).
This variable was added, or its default value changed, in Emacs 21.1.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/nnmail.el.gz
(defcustom nnmail-expiry-target 'delete
"Variable that says where expired messages should end up.
The default value is `delete' (which says to delete the messages),
but it can also be a string or a function. If it is a string, expired
messages end up in that group. If it is a function, the function is
called in a buffer narrowed to the message in question. The function
receives one argument, the name of the group the message comes from.
The return value should be `delete' or a group name (a string)."
:version "21.1"
:group 'nnmail-expire
:type '(choice (const delete)
function
string))