XSpamLevel
XSpamLevel is a standardized metric used to quantify the probability that a message is spam. It is employed by anti-spam systems in email gateways, corporate filters, and messaging apps. The score expresses the level of suspicion for a message and supports consistent filtering rules across platforms.
Scores commonly range from 0 to 1 or 0 to 100, with higher values indicating greater spam
XSpamLevel aggregates signals from content, sender reputation, and context. Content features include keywords, links, and attachments;
Variants use logistic regression, gradient boosting, or neural networks, often in modular detectors whose outputs are
Limitations include calibration drift, adversarial tactics, and potential biases in features. Privacy concerns may arise from
XSpamLevel relates to established spam measures such as Bayesian filters and domain authentication standards. It is