Microsoft Exchange Server 2003 now has built-in Open Relay Filter (ORFilter) or DNS Blacklist and Realtime Blackhole List (DNSBL, RBL) capabilities, which releases us from the need to rely on 3rd party software for the spam filtering.
Microsoft Exchange Server 2003 now has built-in Open Relay Filter (ORFilter) or DNS Blacklist and Realtime Blackhole List (DNSBL, RBL) capabilities, which releases us from the need to rely on 3rd party software for the spam filtering.