feat(storage): add comprehensive tests for StorageManager with memory, filesystem, and custom function backends

feat(email): implement EmailSendJob class for robust email delivery with retry logic and MX record resolution

feat(mail): restructure mail module exports for simplified access to core and delivery functionalities

ts/security/classes.ipreputationchecker.ts

@@ -1,23 +0,0 @@
-/**
- * IP Reputation Checker
- * Checks IP addresses against reputation databases
- */
-
-export interface IIpReputationResult {
-  ip: string;
-  score: number;
-  isBlacklisted: boolean;
-  sources: string[];
-}
-
-export class IPReputationChecker {
-  public async checkReputation(ip: string): Promise<IIpReputationResult> {
-    // Placeholder implementation
-    return {
-      ip,
-      score: 100,
-      isBlacklisted: false,
-      sources: [],
-    };
-  }
-}