set record=+sent_on_$HOSTNAME
</verb></tscreen>
+This also applies for all configuration variables known to mutt-ng,
+for example
+<tscreen><verb>
+set imap_home_namespace = $folder
+</verb></tscreen>
+
The commands understood by mutt are explained in the next paragraphs.
For a complete list, see the <ref id="commands" name="command reference">.