IDN domains use non-Latin characters. Learn how they work in email, risks like homographs, and operational considerations.
Internationalized Domain Names (IDNs) allow domain names to include non-Latin characters. In email, they’re typically represented internally using Punycode.
IDNs improve accessibility worldwide but introduce risks like homograph spoofing. Organizations using IDNs should pay extra attention to authentication, brand protection, and security monitoring.
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