diff --git a/MailServer/DataBase/MysqlConnector.cs b/MailServer/DataBase/MysqlConnector.cs
new file mode 100644
index 0000000..840581b
--- /dev/null
+++ b/MailServer/DataBase/MysqlConnector.cs
@@ -0,0 +1,38 @@
+/*using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;*/
+using MySql.Data.MySqlClient;
+
+namespace MailServer.DataBase
+{
+    class MysqlConnector
+    {
+        private string server = "localhost";
+        private string db = "";
+        private string user = "root";
+        private string pass = "mafia";
+        private MySqlConnection connection;
+        public MysqlConnector()
+        {
+            string myConnectionString = "SERVER=" + server + ";" +
+                "DATABASE=" + db + ";" +
+                "UID=" + user + ";" +
+                "PASSWORD=" + pass + ";";
+            connection = new MySqlConnection(myConnectionString);
+        }
+        ~MysqlConnector()
+        {
+            connection.Close();
+        }
+        public MySqlDataReader read(string sql)
+        {
+            MySqlCommand command = connection.CreateCommand();
+            command.CommandText = sql;
+            connection.Open();
+            MySqlDataReader reader = command.ExecuteReader();
+            connection.Close();
+            return reader;
+        }
+    }
+}
diff --git a/MailServer/DataBase/MysqlImap.cs b/MailServer/DataBase/MysqlImap.cs
new file mode 100644
index 0000000..963f983
--- /dev/null
+++ b/MailServer/DataBase/MysqlImap.cs
@@ -0,0 +1,42 @@
+using System;
+/*using System.Collections.Generic;
+using System.Linq;
+using System.Text;*/
+
+using System.Text.RegularExpressions;
+using MySql.Data.MySqlClient;
+
+namespace MailServer.DataBase
+{
+    class MysqlImap
+    {
+        private MysqlConnector mysql;
+        public MysqlImap()
+        {
+            mysql = new MysqlConnector();
+        }
+        public bool checkUser(string user, string pass)
+        {
+            MySqlDataReader reader = mysql.read("SELECT `pass` FROM `users` WHERE `user` = '"+escape(user)+"';");
+            if(!reader.HasRows)
+                return false;
+            while(reader.Read()) {
+                if(reader.GetString(0) == pass)
+                    return true;
+            }
+            return false;
+        }
+
+        private string escape(string str)
+        {
+            try
+            {
+                return Regex.Replace(str,@"(\\)([\000\010\011\012\015\032\042\047\134\140])","$2");
+            }
+            catch(Exception)
+            {
+                return "";
+            }
+        }
+    }
+}
diff --git a/MailServer/MailServer.csproj b/MailServer/MailServer.csproj
index d2440db..4d821d0 100644
--- a/MailServer/MailServer.csproj
+++ b/MailServer/MailServer.csproj
@@ -34,6 +34,10 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="MySql.Data, Version=6.2.3.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>E:\Programme\MySql\CS\Assemblies\MySql.Data.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
@@ -44,6 +48,8 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="DataBase\MysqlConnector.cs" />
+    <Compile Include="DataBase\MysqlImap.cs" />
     <Compile Include="LumiSoft\IMAP\IMAP_ACL_Flags.cs">
       <SubType>Code</SubType>
     </Compile>
@@ -105,10 +111,18 @@
       <SubType>Component</SubType>
     </Compile>
     <Compile Include="LumiSoft\IMAP\Server\IMAP_Server\IMAP_Server.Delegates.cs" />
-    <Compile Include="LumiSoft\IMAP\Server\IMAP_Server\IMAP_Server.Events.cs" />
-    <Compile Include="LumiSoft\IMAP\Server\IMAP_Server\IMAP_Server.EventsDeclarations.cs" />
-    <Compile Include="LumiSoft\IMAP\Server\IMAP_Server\IMAP_Server.Properties.cs" />
-    <Compile Include="LumiSoft\IMAP\Server\IMAP_Server\IMAP_Server.Session.cs" />
+    <Compile Include="LumiSoft\IMAP\Server\IMAP_Server\IMAP_Server.Events.cs">
+      <SubType>Component</SubType>
+    </Compile>
+    <Compile Include="LumiSoft\IMAP\Server\IMAP_Server\IMAP_Server.EventsDeclarations.cs">
+      <SubType>Component</SubType>
+    </Compile>
+    <Compile Include="LumiSoft\IMAP\Server\IMAP_Server\IMAP_Server.Properties.cs">
+      <SubType>Component</SubType>
+    </Compile>
+    <Compile Include="LumiSoft\IMAP\Server\IMAP_Server\IMAP_Server.Session.cs">
+      <SubType>Component</SubType>
+    </Compile>
     <Compile Include="LumiSoft\IMAP\Server\IMAP_Session\IMAP_Session.cs">
       <SubType>Code</SubType>
     </Compile>
diff --git a/MailServer/Services/IMAP/Server/IMAP_Service.Events.cs b/MailServer/Services/IMAP/Server/IMAP_Service.Events.cs
index 46c4abe..e142ab3 100644
--- a/MailServer/Services/IMAP/Server/IMAP_Service.Events.cs
+++ b/MailServer/Services/IMAP/Server/IMAP_Service.Events.cs
@@ -13,7 +13,9 @@ namespace MailServer.Services
     {
         void server_AuthUser(object sender, AuthUser_EventArgs e)
         {
+            e.Validated = database.checkUser(e.UserName, e.PasswData);
             Console.WriteLine(e.ToString());
+            
         }
 
         void server_CopyMessage(object sender, Message_EventArgs e)
diff --git a/MailServer/Services/IMAP/Server/IMAP_Service.cs b/MailServer/Services/IMAP/Server/IMAP_Service.cs
index 6169815..0769873 100644
--- a/MailServer/Services/IMAP/Server/IMAP_Service.cs
+++ b/MailServer/Services/IMAP/Server/IMAP_Service.cs
@@ -8,17 +8,20 @@ using System.ServiceProcess;
 using System.Text;
 
 using LumiSoft.IMAP.Server;
+using MailServer.DataBase;
 
 namespace MailServer.Services
 {
     public partial class IMAP_Service : ServiceBase
     {
         private IMAP_Server server;
+        private MysqlImap database;
 
         public IMAP_Service()
         {
             InitializeComponent();
-            putEvents();
+            database = new MysqlImap();
+            putEvents(); 
         }
 
         private void putEvents()