when i restart spamassassin, it's error /bin/sleep : [root@mail ~]# service spamassassin restart Stopping spamd: [ OK ] /etc/init.d/spamassassin: line 64: /bin/sleep: cannot execute binary file Starting spamd: /bin/pwd: /bin/pwd: cannot execute binary file [ OK ] [root@mail ~]# pls help me