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content. What is perceived to be offensive to one person may not be to another,
and the amount of time an end user takes to delete this message varies from
user to user. Identifying these spam messages and how you choose to act on
them will vary from customer to customer. The features in Domino 6 will help you
fight the battle to eliminate spam from your environment.
3.3.1 Server configuration features
This section introduces the anti-spam features that can be configured on a
Domino 6 server by the Domino administrator. Enabling some or all of these
features will have a performance impact on your Domino server.
Domino 6 has the ability to perform lookups to external sites, to determine if the
connecting host is a known spamming site. This new feature, called
Blacklist filters
sites (DNSBL) to check the validity of the incoming connection. DNS blacklist
checking consists of utilizing an external source to conduct DNS queries to check
if the inbound SMTP connection is coming from known sources of spam or hosts
that permit third-party, open relaying.
Another new feature is
Directory
intended for a local user in your domain. When enabled, all messages received
via SMTP are looked up based on the value of the RCPT TO field on the
incoming message. If the recipient's address is not a local user, the message is
not accepted and a Non Delivery notification is returned to the sender. This
feature can help prevent messages sent to nonexistent users from accumulating
in MAIL.BOX as dead mail. They are typically spam messages or messages
intended for a user that has left the company.
Inbound connection controls
will handle inbound connection requests and which hosts it will allow and deny
connection to this server.
Inbound sender controls
process connections based on the sender address. You can deny and/or allow
messages from specified addresses/domains.
Inbound relay controls
provide settings to control what servers can use your server as a relay and the
destinations you'll allow mail hosts to relay messages to. Added to the product in
Domino 6 are the
to further specify how anti-relay checking will occur. You can now enable
anti-relay enforcement to apply to all external hosts, all hosts (internal or
external), or not apply checking at all. You can exclude certain hostnames from
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Lotus Domino 6 spam Survival Guide for IBM eServer
, enables you to specify the name of one or more DNS blacklist
Verify that Local Domain recipients exist in the Domino
. This feature verifies that mail received by your SMTP server is actually
allow you to specify how the Domino SMTP server
allow you to specify how the Domino SMTP server will
were introduced in Domino Release 5. These options
Inbound relay enforcement
DNS
options. These features allow you
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