+
+__END__
+
+=head1 FUNCTIONS
+
+=over
+
+=item B<mailgroup>(I<$default>)
+
+Check if the mailgroup I<$default> exists. Return the checked
+group name or some other random but existing group.
+
+=item B<dynamic_socket>()
+
+Return a dynamically allocated listener socket in the range
+between 1024 and 65534;
+
+=back
+
+=cut