fix(interfaces): Remove legacy interfaces

ts/config/index.ts

@@ -10,7 +10,6 @@ export * from './schemas.js';
 
 // Re-export commonly used types
 import type { IPlatformConfig } from './platform.config.js';
-import type { IEmailConfig, IMtaConfig } from './email.config.js';
 import type { ISmsConfig } from './sms.config.js';
 import type { 
   IBaseConfig, 
@@ -38,46 +37,8 @@ export const defaultConfig: IPlatformConfig = {
     port: 3000,
     cors: true
   },
-  email: {
-    useMta: true,
-    mtaConfig: {
-      smtp: {
-        enabled: true,
-        port: 25,
-        hostname: 'mta.lossless.one',
-        maxSize: 10 * 1024 * 1024 // 10MB
-      },
-      tls: {
-        domain: 'mta.lossless.one',
-        autoRenew: true
-      },
-      security: {
-        useDkim: true,
-        verifyDkim: true,
-        verifySpf: true,
-        verifyDmarc: true,
-        enforceDmarc: true,
-        useTls: true,
-        requireValidCerts: false,
-        securityLogLevel: 'warn',
-        checkIPReputation: true,
-        scanContent: true,
-        maliciousContentAction: 'tag',
-        threatScoreThreshold: 50,
-        rejectHighRiskIPs: false
-      },
-      domains: {
-        local: ['lossless.one'],
-        autoCreateDnsRecords: true,
-        dkimSelector: 'mta'
-      }
-    },
-    templateConfig: {
-      from: 'no-reply@lossless.one',
-      replyTo: 'support@lossless.one'
-    },
-    loadTemplatesFromDir: true
-  },
+  // Email configuration removed - use IUnifiedEmailServerOptions in DcRouter instead
+  email: undefined,
   paths: {
     dataDir: 'data',
     logsDir: 'logs',
@@ -89,8 +50,6 @@ export const defaultConfig: IPlatformConfig = {
 // Export main types for convenience
 export type { 
   IPlatformConfig,
-  IEmailConfig, 
-  IMtaConfig, 
   ISmsConfig,
   IBaseConfig, 
   ITlsConfig,