# variables: %{md4}, %{md5}, %{sha1}, %{sha256}, %{sha512}, %{size}.
# Variables can be truncated, e.g. %{sha256:80} returns only first 80 bits
#mail_attachment_hash = %{sha1}
+
+# Settings to control adding $HasAttachment or $HasNoAttachment keywords.
+# By default, all MIME parts with Content-Disposition=attachment, or inlines
+# with filename parameter are consired attachments.
+# add-flags-on-save - Add the keywords when saving new mails.
+# content-type=type or !type - Include/exclude content type. Excluding will
+# never consider the matched MIME part as attachment. Including will only
+# negate an exclusion (e.g. content-type=!foo/* content-type=foo/bar).
+# exclude-inlined - Exclude any Content-Disposition=inline MIME part.
+#mail_attachment_detection_options =