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2. Spam sent using spamware - programs specifically designed to send huge amounts of email (up to 100,000 emails an hour) over an ordinary dialup internet connection.
This software is designed to steal service from an innocent third party by relaying email through their server.
It's also designed to forge the email headers to deflect complaints away from the perpetrator, either towards the third-party or towards yet another innocent bystander. The load this puts on the third-party server can bring an ISP down for days.
3. 'Professional' spamhauses. These are
company’s setup purely to commit theft and fraud. They have permanent internet connections, or sometimes have their servers in the premises of other crooked service providers.
They don't usually spam to advertise themselves, instead they find clueless businessmen and charge them $1000 or so to send their advert to hundreds of thousands of people's mailboxes.
What can be done?
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Filter them out or bounce them back. If you receive email via a unix system you may be able to run procmail
filters. If not you can use the spam filter capabilities of your mail reader,
or one of the many third party filtering tools like...
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Free2-Try
100% effective. The
easiest way to
Stop Spam
getting into your PC. I recommend it. |
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It allows you to filter,
bounced, blacklist and delete spam emails from your ISPs mail server without
having to download it into your email client. |
Hunt the perpetrators down. Complain to their upstream provider. Repeatedly
get them shut down. Get the servers, web pages and email addresses of the advertisers yanked. Invoice them for your time
or sue them in a small claims court when they don't pay up. Report the illegal schemes to the local police.
Tracing the perpetrators using spamware, or the spamhauses requires some familiarity with email headers--see bottom of page on
Sam Spade freeware spam tracing tools. |
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eMail Bolts & Nuts
FAQ's |
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How to manage
and clean bounced undelivered emails? Understand why emails get bounced
|
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How
to use your desktop PCs as an email server
and bypass your ISP email server, a simple
process using a free mail server program |
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How to test
your message and see if it gets deleted by broad based anti-spam filters? |
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A one page email course. Everything
you wanted to know about emailing in a "nut shell" |
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Quick guide to: dig
finger traceroute ping whois nslookup IP block FTP SMTP relay TCP/IP Port |
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How
to embed email
tracking code into your email? Invisible counters, codes, scripts to track
viewer |
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Send HTML or TEXT
email using formatted HTML email, you can send an entire webpage |
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How to embed images into HTML email for faster emailing? Prevent
displaying linked-site in recipient email client status bar |
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RFC defined ESMTP,
SMTP Status Email Error Codes?
These codes are used to provide
informative explanations of error conditions |
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How email works? Delivery of each
email is done
by your ISP mail server, first establishing a conversation through your
recipient port 25 |
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Some spiders visit
site after site, collecting email addresses and controlling these rogue spiders
spam bots or email harvesters with robot.txt |
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About
TCP/IP and mail server port numbers?
It is a number between 1 and 65535 which identifies to the receiving computer
what function you want to perform |
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