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Spam Frequently Asked Questions
At Indra's Net, we know that the deluge of unsolicited bulk email (or
"spam") undermines everyone's productivity and enjoyment on the Internet,
and we are committed to taking every possible measure to shield our
customers from it. In this section, we answer common questions about
what Indra's Net does to protect you from unwanted email, as well as
general inquiries about the nature of spam and what measures are being taken
to put an end to it once and for all.
What Does Indra's Net Do About Spam?
On August 5, 2003, we unveiled
the Indra's Net Spam Controller, a
server-wide spam blocking utility based on the Internet-wide anti-spam
initiative
DCC
(Distributed Checksum Clearinghouse). Unlike many common spam filters
you may be familiar with, DCC does not attempt to ascertain whether
or not the content of an email message qualifies it as
spam. Rather, through a system of over 150 servers around the Internet,
it counts the number of times it sees a particular message.
This is a remarkably effective way of identifying bulk email: if
the exact same message is seen many times being mailed
to a large number of different people, it's quite likely to be spam.
Internal testing of the Indra's Net Spam Controller was very
successful, and went live on August 20, 2003. Current
Indra's Net customers are invited and encouraged to familiarize
themselves with the interface, customize their settings, and monitor
their Rejected Mail Log, since messages are blocked at the server
level and will therefore affect everyone (although anyone can opt-out
of the Spam Controller at any time). Any messages that are being
rejected that you would prefer to receive can be
marked, or "whitelisted" for future successful delivery. (Because
of how the Spam Controller works, people
who are subscribed to any mailing lists in particular need to carefully
monitor their Rejected Mail Log to ensure that messages from their
mailing lists are being delivered as intended.)
The Spam Controller saves all rejected
messages for a period of one week, so that you have the opportunity
to go back and review even rejected messages.
Current Indra's Net customers can access the Indra's Net Spam
Controller on our secure server using their login name and
password.
Even though it is expected that the Spam Controller will catch most of
the spam that plagues us, we take the following additional measures to
control unwanted email:
- We do lookups on all incoming mail, and block email coming from
bogus domains.
- We block email from known spam offenders.
- We subscribe to the Open Relay Data Base, ORDB.org.
- We monitor all reports of spam sent to our help or abuse
email addresses and report the offenders to their ISPs requesting that their
accounts be closed. We then take the senders' IP addresses and submit them
to the ORDB.org database.
- We never (ever, ever, ever!) sell or otherwise release any
information about our customers (let alone their email addresses or
other private information!) to any outside parties except under the
very limited conditions detailed in our
privacy policy.
What Else Can I Do About Spam?
In general, it is very hard to personally cut down on the spam you
receive without help from your ISP and/or spam filtering software. The
longer you have your address, the more likely it has been harvested by
spammers, and the more spam will be sent to you. Following these
simple guidelines can help minimize the proliferation of your email address
onto spammers' lists.
- Be very careful when you give out your email address. If
sites that you download or order from request it, make sure they have a
privacy policy which you can read and agree to. When posting on
USENET (if you do), always use a fake address so it cannot
be auto-harvested. If you are asked for your address in non-online
situations, make sure you trust the recipient. You may find it
useful to set up a secondary email address with a free provider
(such as hotmail) which you can use to fill out commercial forms,
give to those you don't trust, etc. That way you can receive
important mailings about online orders, subscriptions, etc. without
compromising your personal address.
- Never respond to spam, UCE (unsolicited commercial email), or any
other type of junk email. If spam contains removal or opt-out
offers, never accept them. More often than not, these are simply
attempts to get you to verify that your address is being actively
read. This information will be sold to others and you will receive
that much more spam.
- Set up filtering on your inbox. The current versions of the most
popular email programs all support highly configurable email filters
which can automatically move unwanted mail out of your inbox, or
simply delete it. We offer filtering
instructions for some of the more popular email applications.
- Let us know about
particularly annoying or offensive spam. We
will do our best to track down the source and keep at least that one
offender from bothering you further. When informing us about a
spammer, forward the offending message (with all original headers
intact - this is critical in helping us to determine the source) to
abuse@indra.com. If you need help
viewing all headers, we have provided instructions on how to do so.
What Is ORDB?
ORDB stands for the Open Relay DataBase. ORDB is a non-profit
organization which stores a list of machines which have open relays. An
open relay is a misconfigured mail server, and it contributes to
the spam problem by allowing unverified email to pass through it. ORDB
blocks between 15 and 30 thousand messages a day, which would
otherwise get passed on to unsuspecting Internet users.
Indra's Net uses ORDB because it works. It is estimated that up to
80% of all junk mail is sent through open relays, so that the senders
can remain hidden, and so that the bounced messages, as well as the
complaints, will not come back to haunt them.
For more information, check out the ORDB.org Web site at http://www.ordb.org.
Feel free to email any additional questions concerning unsolicited email to abuse@indra.com.


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