block outbound port 25 traffic from the workstations
CBL is Black listed our IP . we checked and cleand with so many anit spam /malware softwares , but no use we listed back again .
so I would like to block outbound port 25 traffic from the workstations but obviously would still like to be able to send out mail through our server. We're using a ST605router and how i can do it in this router ?
i am not that much expert , can you explaining , how can create this rules in our router.
we are using thomson speedtouch ST605 Business router ,which is provided by our ISP.