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TipTrend Micro recommends deploying Sender Filtering as the first line
of defense in your messaging infrastructure.
Although most email systems have a multi-layer structure that often includes some
pre-existing IP
blocking, spam filtering, and virus filtering, Trend Micro recommends completely removing other IP
blocking techniques from the messaging environment. Sender Filtering should act as
the precursor to any application filtering you might use.
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NoteSender Filtering is only available from IPv4 networks. Incoming email messages from
IPv6 networks
are not blocked by Email Reputation or IP Profiler.
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