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Challenge–response spam filtering

Known as: Sender Address Verification, SAV, Challenge-response spam filtering 
A challenge–response (or C/R) system is a type of spam filter that automatically sends a reply with a challenge to the (alleged) sender of an… 
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Related topics

Related topics

11 relations
Blacklist (computing)Bounce Address Tag ValidationCAPTCHACallback verification

Broader (1)

Spamming

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2014
2014
Motion feature filtering for event detection in crowded scenes
2013
2013
Effects of reduced hydrological connectivity on the nursery use of shallow estuarine habitats within a river delta
We examined the effects of a hydrologically restrictive transportation corridor on the nursery use of various habitats in the… 
2010
2010
Management scenario evaluation for a large treatment wetland using a spatio-temporal phosphorus transport and cycling model
2010
2010
Using a fisheries ecosystem model with a water quality model to explore trophic and habitat impacts on a fisheries stock: A case study of the blue crab population in the Chesapeake Bay
2010
2010
Depth‐averaged, spatially distributed flow dynamic and solute transport modelling of a large‐scaled, subtropical constructed wetland
Constructed wetlands are being utilized worldwide to effectively reduce excess nutrients in agricultural runoff and wastewater… 
Highly Cited
2006
Highly Cited
2006
Cooperative Operations in Urban Terrain (COUNTER)
The Air Force Research Laboratory (AFRL) has an ongoing investigation to evaluate the behavior of Small Unmanned Aerial Vehicles… 
Review
2003
Review
2003
Digital video interfaces
2002
2002
A curve-theorem based approach for change detection and its application to Yellow River Delta
A curve-theorem based approach is proposed and is used to handle NDVI data. The curve-theorem based approach includes a general… 
Highly Cited
2000
Highly Cited
2000
PALEOECOLOGY OF SUBMERGED MACROPHYTES IN THE UPPER CHESAPEAKE BAY
Fossil seed distributions of submerged aquatic vegetation (SAV) from dated sediment cores in tributaries of the upper Chesapeake… 
1965
1965
Thermal algae of Western India
This paper, the third in the series on the algae of the hot springs of Western India, incorporates the results of investigations… 
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