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ASK: Active Spam Killer
Abstract:
We present Active Spam Killer (ASK), a program that attempts to validate unknown senders before allowing delivery of their message. Validation occurs by means of a challenge reply sent to senders who are not yet known to the system. Messages are kept in a queue pending confirmation until the sender replies to the challenge. Further messages coming from confirmed senders are delivered immediately. In a sample of 1000 spam mails, ASK was 99.7% effective at blocking spam, resulting in only 3 spam messages being delivered. Other programs' best ratios were 97.8% or as many as 22 spam messages delivered.
BibTeX
@inproceedings {270258,
author = {Marco Paganini},
title = {{ASK}: Active Spam Killer},
booktitle = {2003 USENIX Annual Technical Conference (USENIX ATC 03)},
year = {2003},
address = {San Antonio, TX},
url = {https://www.usenix.org/conference/2003-usenix-annual-technical-conference/ask-active-spam-killer},
publisher = {USENIX Association},
month = jun
}
author = {Marco Paganini},
title = {{ASK}: Active Spam Killer},
booktitle = {2003 USENIX Annual Technical Conference (USENIX ATC 03)},
year = {2003},
address = {San Antonio, TX},
url = {https://www.usenix.org/conference/2003-usenix-annual-technical-conference/ask-active-spam-killer},
publisher = {USENIX Association},
month = jun
}
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