Server Protection
LAN IPs
Client IPs
Blacklisted IPs
RFC822 Receiver
^+
Server-wide
Cluster-wide
^+ ^-
Server-wide
Cluster-wide
^-
^O
Messages from Blacklisted IP Addresses
^RReject
^rAdd Header: ^H
^O
Blacklisted IP Addresses
^B
^D Use Blacklisting DNS Servers (RBLs)
^U
^K Blacklist by DNS Name
^V
^M
UnBlacklistable (White Hole) IP Addresses
^W
^x UnBlacklist by DNS Name
^X
^M
^+
^+
Test Address: ^Z
^z
^+
^+