From abdc5e2bbe24366c451b5f1bb888ec1d3670d6be Mon Sep 17 00:00:00 2001
From: Andris Reinman <andris@kreata.ee>
Date: Thu, 5 Oct 2017 15:48:10 +0300
Subject: [PATCH] Added missing method

---
 imap-core/lib/imap-server.js | 5 +++++
 lib/pop3/server.js           | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/imap-core/lib/imap-server.js b/imap-core/lib/imap-server.js
index 57260f1a..aa3a58a3 100644
--- a/imap-core/lib/imap-server.js
+++ b/imap-core/lib/imap-server.js
@@ -6,6 +6,7 @@ const IMAPConnection = require('./imap-connection').IMAPConnection;
 const tlsOptions = require('./tls-options');
 const EventEmitter = require('events').EventEmitter;
 const shared = require('nodemailer/lib/shared');
+const punycode = require('punycode');
 
 const CLOSE_TIMEOUT = 1 * 1000; // how much to wait until pending connections are terminated
 
@@ -266,6 +267,10 @@ class IMAPServer extends EventEmitter {
             }
         }
     }
+
+    _normalizeHostname(hostname) {
+        return punycode.toUnicode((hostname || '').toString().trim()).toLowerCase();
+    }
 }
 
 // Expose to the world
diff --git a/lib/pop3/server.js b/lib/pop3/server.js
index e50493ea..f2f149c0 100644
--- a/lib/pop3/server.js
+++ b/lib/pop3/server.js
@@ -6,6 +6,7 @@ const tls = require('tls');
 const tlsOptions = require('../../imap-core/lib/tls-options');
 const shared = require('nodemailer/lib/shared');
 const POP3Connection = require('./connection');
+const punycode = require('punycode');
 
 const CLOSE_TIMEOUT = 1 * 1000; // how much to wait until pending connections are terminated
 
@@ -144,6 +145,10 @@ class POP3Server extends EventEmitter {
         }
     }
 
+    _normalizeHostname(hostname) {
+        return punycode.toUnicode((hostname || '').toString().trim()).toLowerCase();
+    }
+
     _setListeners() {
         this.server.on('listening', () => this._onListening());
         this.server.on('close', () => this._onClose());