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| Challenge Response |
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(C/R in short-hand)
A service that issues a challenge to make sure that a human is sending a mail.
When they challenge spam and viruses, they bother innocent people.
If they use SMTP rejects, then only real senders will get the challenges.
Generally an expensive method of spam control, and spammers can easily get around the challenge if they care to by redirecting the challenge to a porn site and promising free porn to the humans that visit the site and answer the challenge.
A challenge response system that does not use SMTP rejects is prone to sending e-mail to spamtraps which will cause other mail servers to refuse the challenges.
The only way that a challenge response system that does not use SMTP rejects to avoid hitting spam traps is if it makes sure that it never issues a challenge to a forged address in a spam or a virus. And of course if it knew how to do that, it would not need to issue a challenge. |
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Additional comments :
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Additional Sources for Glossary Information
The SpamCop Glossary is being limited to terms used within the SpamCop Forums. The following additional links provide far more information which may both help to better explain terms defined in the SpamCop Glossary as well as many more terms not included here. They are listed in no particular order.
NetLingo - The Internet Dictionary
NetLingo contains thousands of definitions that easily explain the Internet and the online world of business, technology, and communication.
Updated weekly with new terms, NetLingo is (currently) ranked #656 in Google's Top 1000 Web sites and reviewed in many publications.
Our mission is to educate and entertain you, and keep you up-to-date.
The Jargon File
The Jargon File is a comprehensive compendium of hacker slang illuminating many aspects of hackish tradition, folklore, and humor.
Wiktionary
Wiktionary is a sister project to
Wikipedia intended to be a free wiki dictionary (including thesaurus and lexicon) in every language.
Wiktionary serves to:
- explain the meanings of words, terms and abbreviations
- translate words from one language to another
- act as a thesaurus by showing synonyms
Contributors:
WB8TYW (aka John)
Wazoo
turetzsr (aka Steve T)
StevenUnderwood (aka Steven P. Underwood, DNRC)
qjvgpuryy (aka David)
Miss Betsy
Lking
Larry Kilgallen (ng member)
Jeff G.
Jank1887
dbiel