For years I didn't worry much about spam.
But lately it's got out of control. Over half of my email is now
spam, and it's growing by the week.
Spam is now such a problem that I know people who have had to
close down their domain name. This article offers some tips on
how to avoid being buried under a mountain of spam.
--------------------------------------------- How Do They Get
Your Address? ---------------------------------------------
In the old days, spammers got their addresses mainly from
Newsgroups - if you didn't post to Newsgroups, you were
reasonably safe. But they're now using a much more efficient
method to build their lists - email harvesters.
Email harvesters are robots that roam the Internet collecting
email addresses from web pages. Examples are EmailSiphon, Cherry
Picker, Web Weasel, Web Bandit and Email Wolf, to name just a
few.
How can you protect yourself from email harvesters?
By 'munging' (mung = 'mash until no good') or cloaking your
email address.
There are many ways of munging your address - the easiest
technique is to use HTML code for the punctuation in your email
address (instead of symbols).
For the colon after mailto use : and for the @ symbol use @
and for the period use .
With this method, my email address would become:
mailto:msouthon@freezineweb.com
Your email address will appear exactly as it did before, and it
will still be 'clickable', but email harvesters will ignore it
and move on.
There are also JavaScript's that you can insert into your web
page that will make your email address visible to humans but
invisible to harvesting programs. Here's one that works very
well: http://pointlessprocess.com/JavaScripts/anti-spam.htm
---------------------------- How To Fight Spam
----------------------------
The most important thing is never, ever, reply to spam.
Most spam contains an innocent-looking 'remove me' email
address. Do not use it. Here's why:
Spammers typically buy a CD containing a million or so email
addresses, but they have no idea how many of those addresses are
active. So before beginning their marketing campaign in earnest,
they send out a 'test message' to the entire list.
The test message contains an email address for removing
yourself. When you reply to that address, it confirms to the
spammer that your address is active and therefore worth
spamming.
Worse still, the spammer may be distilling from that CD a list
of confirmed active addresses that he will then sell to another
spammer.
The key to dealing with spam is to report it to a 3rd party: (1)
the affiliate program that the spammer is advertising, (2) the
spammer's web host, or (3) the ISP the spammer used to connect
to the Internet.
When you report spam to a 3rd party, remember to be polite -
they didn't send the spam and they're probably just as anti-spam
as you are.
(1) Reporting to Affiliate Programs
Many spammers are affiliates advertising someone else's products
or services. So look for a website address that contains an
affiliate link, something like this:
www.affiliateprogramdomain/841526
Then just send an email to the affiliate program
(abuse@affiliateprogramdomain.com), informing them that you are
receiving spam from one of their affiliates.
Most affiliate programs have zero tolerance for spamming and
will remove an affiliate spammer without warning.
Now, affiliate spammers don't want you to see their affiliate
link, so many of them send their email as HTML. All you see in
the message are the words 'Click Here and Order Now'.
But in your browser just click on 'View Source Code' and search
for the letters 'http'. That will take you to the spammer's
affiliate link.
(2) Reporting to Web Hosts
If the spam doesn't contain an affiliate link, its likely that
it is coming from the owner of the domain name. In that case
you'll have to report it to the spammer's web host or their ISP.
To make a report to the spammer's web host just go to Whois, the
directory of registered domain names:
http://www.netsol.com/cgi-bin/whois/whois
Type in the spammer's domain (the website address that appears
in the spam) together with the extension (.com, .org, .net etc).
The host for that domain will usually be listed as the Technical
Contact in the Whois record and there will be an email address
for contacting them.
(3) Reporting to ISPs
To report a spammer to his Internet Service Provider, you'll
have to look at the spam's 'extended headers'.
Extended headers show the servers that the message passed
through in order to get to you. The instructions for viewing
extended headers will vary depending on what email client you
are using.
=> In Pegasus Mail, open the offending message and then
right-click and choose 'Show raw message data'.
=> In Eudora Light, click on 'Tools' in the top menu bar, and
then 'Options', and then select the checkbox option that says
'Show all headers (even the ugly ones)' and click OK.
=> In Outlook Express, open the offending message, select
'Properties' from the File menu and then click the 'Details'
tab.
Reading and understanding extended headers is quite a detailed
subject. Here's an excellent free tutorial on how to decipher
extended headers:
http://www.doughnut.demon.co.uk/SpamTracking101.html
As an alternative to these reporting techniques, you could use a
web-based spam reporting service such as SpamCop
(www.spamcop.net). SpamCop deciphers the spam's message headers
and traces the mail back to its source.
However, SpamCop is known to generate complaints about innocent
third parties, and as a result, many system administrators
ignore complaints received from SpamCop.
There is one kind of spam that the techniques in this article
probably won't help you with: spam from China.
This is the most peculiar spam you're ever likely to receive.
For example I regularly get messages from a certain ChenHua of
the China-Lutong mechanical company asking me if I would like to
order hydraulic heads for the VE distributor pump.
Spam is not an issue in China so it's unlikely you would stop
the spammer by reporting him to a 3rd party. However, while
doing the research for this article I came across a web page
that offers a very ingenious (though rather severe) solution to
Chinese spam.
The Chinese government recently ordered all ISPs in China to
start monitoring email for subversive phrases. This anti-spammer
replies to Chinese spam with a message that includes subversive
phrases, such as "weapons and ammunition", "Falung Gong" and
"Free Tibet".
But I don't recommend you do this - the Chinese spammer could
end up spending years in a forced labor camp. Even the worst
spammer in the world doesn't deserve that.
Good luck in your fight against spam!
About the author:
Michael Southon is the author of the popular new eBook 'Ezine
Writer!' Discover how to dramatically increase your Traffic and
Sales, starting today: http://www.ezine-writer.com/ Join his
twice-monthly 'e-Profit Tips Newsletter':
mailto:ept-subscribe@freezineweb.com
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