MUA must have s-bit in other case (security hole).
This fix needed for procmail too, because procmail
uses NFS-locks in /var/mail directory
+# $Id: BSD.var.dist,v 1.9 1994/02/15 10:38:50 rgrimes Exp $
#
/set type=dir uname=bin gname=bin mode=0755
#
/set type=dir uname=bin gname=bin mode=0755
/set type=dir uname=bin gname=bin mode=0755
tmp mode=01777
..
/set type=dir uname=bin gname=bin mode=0755
tmp mode=01777
..
/set type=file uname=games gname=bin mode=0755
games type=dir
hackdir type=dir
/set type=file uname=games gname=bin mode=0755
games type=dir
hackdir type=dir