Levenshtein Distance
The minimum number of single-character edits needed to change one string into another. Used to suggest the correct domain for a misspelled email.
Why it matters for email security
Understanding levenshtein distance helps you build signup flows that resist fake accounts, disposable inboxes and automated abuse. VeriShield Edge operationalizes this signal as part of its transparent 0-100 fraud score.
Related concepts
Explore the full glossary or the domain directory to see these signals applied to real domains.