Here are things you
should know to combat the huge force of spam.
The biggest mistakes people make:
NEVER reply to a spam email message! This is even more important when the message you receive includes links such as ‘click here to unsubscribe’ or ‘remove my name from this mailing list.’ If you respond, that spammer knows that your address has a live person on the other end. Once they know they have a ‘live one’, they sell or distribute your name to other spammers – and the value of your email address just went up so you will be sold to other spammers. Bottom line: If you reply to spam, expect to see your inbox flooded with even more spam.
NEVER purchase an item from a spam email. For a spammer, one sale among thousands of mailings justifies the practice of spamming. Remember, this is a numbers game. It costs the spammer nothing to send the message to you, so if a few people purchase something from their email, it justifies the time it took to spam everyone. If you want a product that is advertised in a spam email, go to Google. Then, search for another web site where you can purchase that item. Bottom line: Do not condone the practice of spam by buying from spammers.
NEVER give your email address to sites promising to take your name off spam lists. While the site author may genuinely want to help you, more likely they are spam address collectors. In any case, spammers exploit security holes in sites that collect email addresses. Once your address is recorded and validated (because you posted it there), it will be added to spam lists. Bottom line: There are better ways to combat spam than to sign up for exclusion lists.
NEVER send email to your friends via a mass mailing. In other words, most email programs allow you to ‘BCC:’ (stands for ‘blind carbon copy’) recipients, meaning that once sent, the email addresses of your recipients is hidden from one another. Here is why this is so important:
Jane Novice receives an interesting article and she emails it to all her friends -- but she does it by including all the addresses in the TO: field. The problem? Each recipient gets a copy of all addresses. Then, one of Jane’s friends forwards that message (which includes the list of email addresses) to all of her friends. Over time, the address list becomes very large. Ultimately, it falls into the hands of someone in the spam trade.
Instead, Jane should mail a separate copy to each of her friends. Alternatively, she can also ‘BCC’ recipients. Bottom line: The easier you make it for spammers to collect multiple email addresses (especially in one place), the more likely you are to get blasted with spam.
NEVER attempt to battle spammers by engaging in hacking or mail-bomb activity. This will only increase the amount of extraneous Internet traffic and just creates sympathy for spammers. Please do not make the Internet even less reliable than it already is!
Smart spam avoidance:
action to stop spammers. Filter your inbox messages, write to spammer host sites
(without revealing your real email address, of course!) to let them know that
you do not support their activity, and write your congressional
representatives. Effective legislation would likely impose meaningful fines to
those who spam and make it more risky to engage in spamming.
Disguise all email addresses posted online. One surefire way to get on a spam list is to post your email address on a web page! Spammers harvest addresses using computer programs that are designed to collect addresses. If you must post your email address on a web page, it is useful to disguise the address. For example, instead of posting your email address as ‘firstname.lastname@example.org,’ replace the @ sign with @ Most harvesting programs will skip right over your email address, since they are designed to look for an email address with the @ sign in it.
Opt out of member directories that may place your email address online. If your employer places your email address online, ask the Webmaster to make sure it is disguised in some way.
Use multiple email addresses. When visiting an unfamiliar web site or posting to a newsgroup, establish an email address for that specific purpose. You can use 'alias' email addresses, which consolidate email in a single location but allow you to immediately shut off any address that is attracting spam. By recording which email address was used at each web site, you can track which sites are causing your inbox to overfloweth with spam. You can search in Google for 'disposable email addresses' to find companies that provide disposable (or one-time use) email addresses. Also, you can sign up for a few free email accounts with hotmail or yahoo. Use those addresses instead of your permanent email address.
Newsgroups users beware! Newsgroups are a great email address gathering ground for spammers. If you post to a group, you are going to get spam -- it is just a matter of time. So how are you supposed to participate? Use a different email address than the one you use for talking to friends and relatives. In other words, have a 'public' address and a 'private' address. You’ll just have to deal with the spam in your public account.
Short email addresses are easy to guess, and often receive more spam. Email addresses composed of short names and/or initials like email@example.com, or basic combinations like firstname.lastname@example.org receive more spam. Email addresses do not need to be incomprehensible, but modify or add to it in some way so that it is not so easy to target.
Some spam is generated through 'attacks' on mail servers, where spammers use software programs to send spam to every possible combination of letters at a domain. While these attacks are often caught by your ISP, you can imagine how hard it is for your ISP to immediately distinguish between all of the millions of email messages passing through their mail servers and those of a spammer. Some spam is likely to get through. In many cases, spam generated by these attacks will get through to shorter email address (like email@example.com) before it is directed to longer addresses. If your last name starts with a 'Z,' you will recall how often you were last when you were a kid in school. Sometimes, last is good.
Most spam is simply annoying, but some of it is illegal. When you receive an email that asks you to send $1 to several addresses in the letter, and promises a windfall if you follow the letter's instructions, this represents a 'pyramid scheme' and it is illegal.
There are many other kinds of illegal email. For example, you have likely received the email that comes from a foreign (typically Nigerian) person who says they have a large sum of money on deposit at an exotic bank, and that they simply need your account number to send that money to you. For facilitating the transaction, it goes on to claim, they will let you keep a couple million dollars. Come on! Do you really believe this? This is called
If you believe an email
is fraudulent, you should report it. Here are some addresses that accept fraud
To report spam violators (by email). Use the link to send an email to: uce at ftc.gov.
The Federal Trade Commission Home Page (http://www.ftc.gov)
The Internet Fraud Watch/National Fraud Information Center (http://www.fraud.org)
What does the
garbled text mean?
If you receive spam email with strange or unintelligible writing in it, or strange text in the subject line, it is probably spam - written in a foreign language. When your computer does not know how to translate the text, it comes through as a string of meaningless letters and/or numbers.
Much of the total output
of spam comes from overseas servers, where spam regulations are lax. As a
result, many US-based ISPs have blocked many servers located in specific
countries. If you have difficulty receiving mail from a legitimate contact in
another country, you will likely find that your mail server has been set up to
block incoming email from that person(s). You will then need to contact your
ISP to report the difficulty and see if they are comfortable unblocking their
mail servers so that you can receive mail from him/her.
How do filters work?
Quality ISPs put spam filters on their mail servers, but you can further guard against spam by using a spam filtering program on your computer. These spam programs vary greatly, but their basic function is to allow you to enter non-allowable keywords and 'quarantine' all messages containing those spam keywords into a separate inbox. Examples of recommended spam programs are listed in this site.
Spammers like to sell
things that sound as if they might be hard to get, illegal, or sexy. Words and
phrases that are common in spam email include: Viagra, credit repair, college
degree, free trial, enter, sexy, hot, enlargement, etc., Although
you will feel stupid typing nasty words into the spam filter program, unless
you regularly use these words in your communications with friends and colleagues,
you will stop a lot of unsavory and pornographic spam email. This is especially
important if you have children using the same computer.
The things your spam filters need to look for will be determined by the nature of the spam you receive. You also want to consider the likely content of the legitimate email you receive, and make sure your spam filters do not mistake any of it for spam.
Most spam filters can be
set up to perform a variety of actions when it identifies an incoming message
that has the qualities of spam. Among the choices are to send a reply to the
spammer with a canned message that informs them that their message was deleted
automatically. However, few spammers use a genuine return address, so in most
cases your message will be returned a few hours later, necessitating that you
delete it manually. It is more hassle than satisfaction.
Spam filters can also deposit spam directly to your Trash box, where it will be deleted automatically. However, this risks sending legitimate email into the trash without being read.
Ideally, you will have a spam filtering program that allows you to create a 'quarantine' folder and have your spam sent to it. This way, you can scan through your quarantined mail from time to time to see if it contains anything important.
Bottom line: Creating and maintaining a spam mail filter requires a fair amount of effort, although over time you will likely spend a heck of a lot more time filtering through spam manually.
What is a
A blackhole list, often referred to as a blacklist, is a list of ISP addresses known to be sources of spam. The primary goal of a blackhole list is to provide a list of IP addresses that a network can use to filter out undesirable traffic. After filtering, traffic coming or going to an IP address on the list simply disappears, as if it were swallowed by a black hole. The Mail Abuse Prevention System (MAPS) Real-time Blackhole List (RBL), is one of the most popular blackhole lists. Other popular blackhole lists include the Relay Spam Stopper and the Dialup User List.
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