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 Learning Center:  Stop spam in its tracks
Last Updated: Jan 21, 2005 
Is your company's spam problem getting out of control? These antispam resources will help you fortify your client and server defenses to stop spam in its tracks.
>> Do you have a specific spam management question? Consult our expert Richard Luckett.
Blocking spammers with DNS blacklists

(13 Jan 2005)

DNS blacklists are an integral part of any spam-fighting toolkit. That fact that many users on the Internet are updating them means that you get the benefit of blocking a spammer before the first piece of spam even hits you.

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ADVICE:
>> Create a defensive line against spam
TIP :Just because you have antivirus software doesn't mean you are immune to viruses.
>> Reducing spam e-mail
TIP :Some features in Outlook 2002 that can be applied to help reduce spam e-mail.
>> Outlook 2003 tool filters spam
TIP :The spam filter is a useful tool but requires vigilance for ultimate effectiveness.
>> 'Smart' technology stops spam at the gate
TIP :If you use Exchange 2003, you have another weapon in your arsenal against spam: the Intelligent Message Filter.
>> Fight spam with Exchange and Outlook
TIP :How to avoid open relays and block incoming emails with a VBScript program.
>> Third-party security products to the rescue
TIP :When it comes to spam and security, Exchange managers can use some assistance.
>> Third-party security products to the rescue, part 2
TIP :When it comes to security, Exchange managers can use some assistance. Part 2 of 2 parts.
>> Block specific spamming addresses
TIP :How to block mail from known addresses or domains.
>> Stop those unwanted messages
TIP :How to block specific senders or apply blanket restrictions using rules.
>> Beware of DNS blacklisting perils
TIP :Implementing a DNS blacklist in Exchange 2000 and 2003 can be done in several ways.
>> What software do you recommend to filter or block spam?
ASK THE EXPERTS :I am running Exchange 5.5. Certain mailboxes receive excessive spam e-mails. The mailboxes ironically are alias names (i.e., ...
>> Assigning a dynamic spam filter site in Exchange 2003 Server
ASK THE EXPERTS :I have done some research at the Microsoft site and it tells me I can assign a dynamic spam filter site to Exchange 2003. I ...
>> Spam detection in Exchange 2000
ASK THE EXPERTS :Is there any way I can use Exchange to detect spamming at an earlier stage? What is the setting for managing spam in Exchange ...
WHITE PAPERS:
>> Addressing the Administrator's Problems with Email Spam Filtering

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RELATED GLOSSARY TERMS
Terms from Whatis.com − the technology online dictionary
greylist  (SearchExchange.com)
hash buster  (SearchExchange.com)
image spam  (SearchExchange.com)
KnujOn  (SearchExchange.com)
Sender ID  (SearchExchange.com)
spam confidence level  (SearchExchange.com)
spamblock  (SearchExchange.com)
spim  (SearchExchange.com)
tarpitting  (SearchExchange.com)
teergrube  (SearchExchange.com)

RELATED RESOURCES
2020software.com, trial software downloads for accounting software, ERP software, CRM software and business software systems
Search Bitpipe.com for the latest white papers and business webcasts
Whatis.com, the online computer dictionary

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