How Lotus Domino DNS blacklist filters work
February 8th, 2010
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When Lotus Domino DNS blacklist filters are enabled on a Domino server, every incoming SMTP mail connection is checked against one or more DNSBLs. Domino performs a DNS query against the blacklists at the DNSBL sites specified. If a connecting SMTP mail host is found on the blacklist, Domino can do any of the following:
* Log the message
* Log and tag the message
* Log and reject the message
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