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Methods to Fight Spam!!!

  • Posted August 13, 2006
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  • in category Spam

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Fighting Spam..

Industry experts estimate that three out of every five e-mail
messages that are sent today are spam.

This is not only a nuisance; it is costing us all time and money
which could be better spent on productive ventures.

Bizwala is committed to fighting spam & blocks a great deal
without customer intervention. Our systems are updated daily and
we are always working to improve our spam filtering.

Though we may never be able to block it all, we can offer some
suggestions to combat spam effectively.
——— Q: How can I prevent spam from reaching my e-mail

A: People who send spam compile their mailing lists in many
ways. Methods to compile such lists include:

Sending spam to e-mail addresses that are most commonly used. A
common tactic consists of building lists of targeted addresses
that use frequently used words such as “webmaster” or “info”
(for example, “webmaster@mydomainname” or “info@mydomainname”).

Obtaining e-mail addresses that are automatically “harvested”
from web sites by specialized software.

Compiling lists of e-mail addresses that are either chosen or
generate at random (for example, ” joe1@mydomainname”,
“joe2@mydomainname” or “joe3@mydomainname”. This method is
becoming increasingly frequent.

Because spammers often send spam to undefined e-mail aliases
such as [email protected], [email protected], [email protected],
you can combat the receipt of spam effectively by not using a
catch-all address . (The catch-all is an alias that is used to
recieve mail sent to undefined addresses/aliases .)

Q: What is spoofing and how can I fight it?

A: “Spoofing” occurs when a spammer uses some version of your
domain name in the “From” address field. Spammers use spoofing
to try to hide their identities and to pass blame for spam to
innocent Internet users. The large amount of spam messages –
many of which are sent to invalid address — result in a
significant amount of “bounced” e-mail (that is, mail that
returned as being undeliverable). Unfortunately, bounced mail is
sent back to the address found in the “From” line of the spammed
message. Typically, the “From” line is also an undefined e-mail
address not found in your mail settings. To combat receiving
bounced mail messages, you can use the “devnull” alias that we
mentioned in the previous question and answer.

Q: Even if my account is not generating any spam, can the mail
server I use get blocked because of spam?

Unfortunately, yes. The main cause for blacklisting your mail
server depends on where the spammed e-mail is ultimately
received and how the ISP who maintains that location reacts to
spam and to spam complaints. Many account holders with Bizwala
forward e-mail messages that are sent to there hosting account.
For example, a message sent to info@mydomainname could be
forwarded to [email protected] or [email protected] At other
times, clients may be forwarding e-mail messages to accounts
that are invalid or otherwise not in use. The processing of the
forwarded e-mail message is handled by the mail server that your
account uses (specifically, the MTA or Mail Transport Agent).
Because a Bizwala mail server is the MTA, it is possible that
the mail server could be blacklisted even though you (or any
other Bizwala client) is not responsible for sending the spam in
the first place.

In short, you must be careful about where you forward e-mail,
how you report spam, and to whom you report it.

Note: Bizwala reserves the right to terminate a client’s
services for violations of our Acceptable Use policy.
Unacceptable use includes forwarding e-mail messages to
addresses that are invalid (not within the client’s control)
and/or sending mail with malicious intent.

Q: How can I filter spam in my Inbox once I receive it?

First, do NOT click any links in the spam or try to reply or
unsubscribe to the spammed e-mail message. Often, these links
will subscribe you to even more spam lists despite the fact that
those links appear to promise that you will be unsubscribed.
And, as spammers are always looking for legitimate e-mail
addresses to spam, replying to a spam message in any way only
tells the spammer that your e-mail address is valid.

Second, some e-mail programs have built-in functionality that
deals with spam that reaches your Inbox. Outlook 2000 (and
newer) is one such a e-mail program.

Outlook creates a folder called Junk Mail, where you can move
junk e-mail and then review it before deleting. Or, you can have
junk e-mail delivered to your Inbox, but color-coded so you can
easily identify it. The list of terms that Outlook uses to
filter suspected junk e-mail messages is found in a file named

You can also filter messages based on the e-mail addresses of
junk and adult content senders, allowing you to move or delete
all future messages from a particular sender. You can review the
Junk Senders list and add and remove e-mail addresses from it.

If you do not use Outlook 2000 or higher, please refer to your
mail program’s help files for any information related to spam

Q: Are there any low cost programs out there that I can install
to help filter the spam?

A: Yes. There are many programs available that use a variety of
methods to help e-mail end users filter spam. Effective spam
prevention should include client-side software (that is,
software that is installed on your local computer). Below are
some links that you may want to visit:

Cloudmark Safety Bar:

Realize that there are many products on the market that you can
install on help filter spam. However, as we are not affiliated
with the vendors or authors of those products, we cannot specify
which of those products would work best for your specific
situation. We ask that you “do your research” in order to locate
which product is best for you.

Q: The spam that is reaching me is being sent to defined e-mail
accounts. What can I do about it?

A: If any of your defined e-mail addresses are receiving too
many spam messages, it may be well worth it to you to change
your e-mail address. For example, if “info@mydomainname” is the
recipient of too much spam, it may be a good idea to delete
“info@mydomainname” in favor of “information@mydomainname. We
realize that this may be a tough decision, but such an action
could be a huge benefit as it would immediately reduce — if not
entirely eliminate — the amount of spam that you would be
receiving at your e-mail address.

Q: How can I prevent my e-mail address from being added to
spammer’s mailing lists?

A: As mentioned above, spammers use a variety of methods to
compile lists. We have created a help document that will give
you some useful tips about how to prevent your e-mail addresses
from being added to lists.

Protect Your Privacy

If you plan to enter your information to any Web site, please
review the Terms of Service and Privacy Policies of the Web
site. If the policies do not clearly indicate what will be done
with your information, you should reconsider posting any details
to that Web site.

Publishing Your E-mail Address on Your Web Site

Instead of having a simple “mailto” link on your Web site, such
as “Please e-mail me at [email protected],” consider using an
approved form mail script that allows Web site visitors to fill
out a form to send you e-mail. Bizwala offers such a script free
of charge. This will help prevent e-mail address harvesting
robots and other spammers from capturing your address. email
[email protected] if you need assistance in setting up a spam
deterrent form mail

Member Profiles

Try to stay away from creating and posting a member profile, on
any Web site, for others to see publicly. Spammers are always
reviewing such information for new e-mail addresses.

Product Registration

Many of us register products online. Many times the product
registration form has options pre-selected that enable the
company to solicit you by e-mail, even though you may not want
it. Be sure to review the options you are selecting and any
options that may have been selected for you by default.

Posting to a Newsgroup

Never post anything to a newsgroup with your real e-mail
address. Consider cloaking the address or using a “disposable”
e-mail address. Consider creating and using an e-mail address
from one of the free e-mail address providers.

Do Not Reply to Spam or an Unsubscribe Request

Never reply to a piece of spam or request to be unsubscribed.
Your reply confirms that your address is working and provides
the spammer the opportunity to add your address to their list or
sell it to another entity. This actually helps facilitate more

Report Spam

An effective way to help prevent spam is to report it to the ISP
or mail administrator where the spam originated. Such reports
help ISPs to identify the user or users who sent the spam.
Report the spam, including full headers from the spam, to the
ISP abuse department or postmaster e-mail address.

Federal law strictly limits the information that online service
providers may disclose about their users. However, e-mail
messages do contain some information about the sender.

E-mail headers contain an Internet Protocol (IP) address that
corresponds to the sender’s Internet service provider (ISP). A
line in the e-mail message contains an 8 to 12 digit number,
separated by periods. For example: “Received: from
[123.456.78.91] by . . .” The “123.456.78.91″ represents the
ISP’s unique IP address for the sender. Most spam headers have
multiple “Received: from” lines. If the e-mail message has not
been forged then, in general, the first such line from the
bottom is the true origin of the spammed message.

After you identify the IP address, you can search to determine
which ISP provides this person with Internet access. A Web site
that attempts to determine the actual computer with that IP
address is located at

-Article written by Wendy Jo McLeod Spam solution providers


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  • Posted On August 13, 2006
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