Postfix Stop Send SPAM MAIL-DAEMON

maillog.cf

## This is the mail-log with the activities from=<> (SPAM) to relay

Nov  9 10:22:34 lonquen postfix/cleanup[22653]: 7690E9FE0D: message-id=<20171109132234.7690E9FE0D@mx.mailserver.cl>
Nov  9 10:22:34 lonquen postfix/qmgr[12006]: 7690E9FE0D: from=<>, size=9957, nrcpt=1 (queue active)
Nov  9 10:22:34 lonquen postfix/bounce[22665]: 391CC9FE10: sender non-delivery notification: 7690E9FE0D
Nov  9 10:22:34 lonquen postfix/qmgr[12006]: 391CC9FE10: removed
Nov  9 10:22:42 lonquen postfix/cleanup[22653]: D2E5B9FE0A: message-id=<20171109132242.D2E5B9FE0A@mx.mailserver.cl>
Nov  9 10:22:42 lonquen postfix/qmgr[12006]: D2E5B9FE0A: from=<>, size=9509, nrcpt=1 (queue active)
Nov  9 10:22:42 lonquen postfix/bounce[22665]: 8D1199FE0E: sender non-delivery notification: D2E5B9FE0A
Nov  9 10:22:42 lonquen postfix/qmgr[12006]: 8D1199FE0E: removed
Nov  9 10:22:46 lonquen postfix/smtp[22668]: 7690E9FE0D: to=<kame@jtmlsk.info>, relay=jtmlsk.info[186.103.186.230]:25, delay=12, delays=0.01/0/12/0, dsn=4.4.2, status=deferred (lost connection with jtmlsk.info[186.103.186.230] while receiving the initial server greeting)
Nov  9 10:22:54 lonquen postfix/smtp[22581]: D2E5B9FE0A: to=<eljardinero@vtmlsx.info>, relay=vtmlsx.info[186.103.186.230]:25, delay=12, delays=0.01/0/12/0, dsn=4.4.2, status=deferred (lost connection with vtmlsx.info[186.103.186.230] while receiving the initial server greeting)

## EDIT /etc/postfix/master.cf

# Buscar la siguiente linea en el archivo de configuraion
bounce    unix  -       -       n       -       0       bounce

# Reemplazar por la siguiente linea (change bounce with discard)
bounce    unix  -       -       n       -       0       discard

# Reiniciamos el servidor
service postfix restart

# and enjoy the magic