Ai galera o meu postfix comecou dar uns erros estranho e to tentando descobrir o que é sera que alguem pode me ajudar????

o erro é esse....

Feb 13 07:29:08 internet postfix/local[29024]: warning: premature end-of-input from private/defer socket while reading input attribute name
Feb 13 07:29:08 internet postfix/local[29024]: warning: 835E87996E: defer service failure
Feb 13 07:29:08 internet postfix/master[28233]: warning: process /usr/lib/postfix/bounce pid 29030 exit status 1
Feb 13 07:29:08 internet postfix/local[29024]: 835E87996E: to=<root@internet.minhamaquina.org.br>, relay=bounce, delay=1076437308, status=deferred (bounce failed)
Feb 13 07:29:08 internet postfix/qmgr[29022]: 4279979C12: from=<root>, size=7358, nrcpt=1 (queue active)
Feb 13 07:29:08 internet postfix/master[28233]: warning: /usr/lib/postfix/bounce: bad command startup -- throttling
Feb 13 07:29:08 internet postfix/qmgr[29022]: 4289079C71: from=<root>, size=1705, nrcpt=1 (queue active)
Feb 13 07:29:08 internet postfix/qmgr[29022]: 42E8579C9D: from=<root>, size=1705, nrcpt=1 (queue active)
Feb 13 07:29:08 internet postfix/qmgr[29022]: warning: refusing to mkdir deferred/8/3: parent directory is writable by everyone
Feb 13 07:29:08 internet postfix/qmgr[29022]: fatal: qmgr_active_defer: rename 835E87996E from active to deferred: Operation not permitted
Feb 13 07:29:08 internet postfix/local[29025]: warning: premature end-of-input from private/defer socket while reading input attribute name
Feb 13 07:29:08 internet postfix/local[29025]: warning: 8317A79A0F: defer service failure
Feb 13 07:29:08 internet postfix/local[29025]: 8317A79A0F: to=<root@internet.minhamaquina.org.br>, relay=bounce, delay=1076632508, status=deferred (bounce failed)
Feb 13 07:29:08 internet postfix/master[28233]: warning: process /usr/lib/postfix/bounce pid 29031 exit status 1
Feb 13 07:29:09 internet postfix/master[28233]: warning: process /usr/lib/postfix/qmgr pid 29022 exit status 1