mh-auto-fields-prompt-flag
mh-auto-fields-prompt-flag is a variable defined in `mh-e.el
'.
Its value is tDocumentation: *Non-nil means to prompt before sending if fields inserted. See `mh-auto-fields-list'. You can customize this variable. This variable was introduced, or its default value was changed, in version 8.0 of the MH-E package that is part of Emacs 22.1.