+
+.B ezmlm-return
+exits 99, not 0, upon success.
+.SH OPTIONS
+.TP
+.B \-d
+.B ezmlm-return
+will assume the bounce is for a digest list.
+Normally,
+.B ezmlm-return
+will autodetect this from the bounce address. Autodetection makes
+.B ezmlm-return
+less flexible and will be removed in future versions.
+.TP
+.B \-D
+.B ezmlm-return
+will assume that the bounce is for a normal (non-digest) list.
+Normally,
+.B ezmlm-return
+will autodetect this from the bounce address. Autodetection makes
+.B ezmlm-return
+less flexible and will be removed in future versions.
+.B \-D
+will become the default.