...but the recycle bin has immunity properties which prevent other things happening (eg auto-decrypt).
Idea: add another WebIF flag for folders "Auto-expire". Folders with that property move content older than a certain preset into the recycle bin. If the expire time can be set individually that would be great (a value in the .flag file perhaps), otherwise a global Settings setting (or the setting is the default value loaded into the .flag file, which can then be modified through the file editor).