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- # [Realtime Blackhole List]
- #
- # Description: "Whether to use the RBL to determine if mail is junk mail"
- # Keywords: "MAPS, RBL, Realtime Blackhole List, Vixie, Paul Vixie, ban, blackhole, rejection methods"
- # Category: "Junk mail detection"
- # Format: "{TRUE OR FALSE}"
- #
- # The Real-time Blackhole List, or RBL, is a blacklist of Internet TCP/IP
- # addresses known to send spam, or by hosts considered friendly to spam.
- #
- # This blacklist is maintained independently of MailShield. For more
- # information about the RBL, see http://maps.vix.com/rbl/
- #
- # The RBL is an effective way of drastically reducing the amount of spam
- # that you receive. However, if you enable the RBL test, it is likely that
- # you will also accidentally refuse valid email. The reason for this is
- # that the RBL bans all email coming from a given set of TCP/IP addresses.
- # For example, if an ISP has been banned because they allow spam from their
- # mail servers, then all mail from that ISP will be banned, not just the
- # spam.
- #
- # For this reason, the RBL is as much a political act as it is a technical
- # solution for solving spam. Because the RBL inconveniences innocent
- # people, those innocent people complain to their ISPs, and this, in turn,
- # forces the ISP to enact stronger anti-spam measures, in order to get off
- # the RBL ban list. In this regard, the RBL is similar to a product
- # boycott.
- #
- # We do not recommend that this setting be enabled if it is important to you
- # to not reject valid mail. On the other hand, if you fully understand the
- # implications of the RBL for your system's mail, and you want to
- # participate, then you should enable this feature, as the RBL has been
- # effective in getting ISPs to secure their relay hosts in order be removed
- # from the ban.
- #
- # By default, this setting is disabled.
- #
- # Instructions: "Please enter the word TRUE or the word FALSE below."
- FALSE
-