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if you have a valid reason to do so. Any changes to this configuration should
only be done by expert users!
9.7.3. RBL
The
RBL
item open an editing dialog called
Realtime Blackhole Lists
:
In this dialog you can switch on/off the
Query RBL servers
function.
The RBL (
Realtime Blackhole List
) server is a DNS server with an extensive database of
known spam senders. When this feature is switched on, all e-mail messages will be
verified against the RBL server database and marked as
spam
if identical to any of the
database entries. The RBL servers databases contain the latest up-to-the-minute
spam fingerprints, to provide the very best and most accurate
spam
detection. This
feature is especially useful for users who receive large amounts of spam that is not
being normally detected by the
Anti-Spam
engine.
The
RBL servers list
allows you to define specific RBL server locations.
Note:
Enabling this feature may, on some systems and configurations, slow down the
e-mail receiving process, as every single message must be verified against the RBL
