/**
 * Classification levels for inbound email spam filtering.
 *
 * @remarks
 * - Ham: Legitimate email, delivered normally
 * - ProbableSpam: Likely spam but not certain; tagged with spam flag and score,
 *   delivered to recipient's spam folder for review
 * - DefiniteSpam: Confirmed spam; rejected at SMTP time with 550 response
 *
 * @see Requirements 3.1, 3.4, 3.5, 7.2
 */
export declare enum SpamClassification {
    Ham = "ham",
    ProbableSpam = "probable_spam",
    DefiniteSpam = "definite_spam"
}
//# sourceMappingURL=spamClassification.d.ts.map