diff --git a/config/config-sample.ini b/config/config-sample.ini
index 7ccfc5c..53b00e9 100644
--- a/config/config-sample.ini
+++ b/config/config-sample.ini
@@ -19,3 +19,7 @@ base = "dc=example,dc=com"
 admin_dn = "cn=admin,dc=example,dc=com"
 admin_pass = "xxxxxxx"
 superadmin[] = "evoadmin"
+
+[log]
+file = "../../log/evoadmin-mail.log"
+level = debug
diff --git a/htdocs/lib/class.logger.php b/htdocs/lib/class.logger.php
new file mode 100644
index 0000000..5ec1b74
--- /dev/null
+++ b/htdocs/lib/class.logger.php
@@ -0,0 +1,63 @@
+<?php
+
+class Logger {
+    const CRITICAL = 4;
+    const ERROR = 3;
+    const WARNING = 2;
+    const INFO = 1;
+    const DEBUG = 0;
+
+    private static $file,$level;
+
+    public static function configure(array $config) {
+        self::$file = $config['file'];
+        switch ($config['level']) {
+            case 'critical':
+                self::$level = self::CRITICAL;
+            case 'error':
+                self::$level = self::ERROR;
+            case 'warning':
+                self::$level = self::WARNING;
+            case 'info':
+                self::$level = self::INFO;
+            case 'debug':
+                self::$level = self::DEBUG;
+            default:
+                self::$level = self::DEBUG;
+        }
+    }
+
+    private static function write_log($txt, $var) {
+        $date = date("Y-m-d H:i:s");   
+        $log = '['.$date.'] '.$txt.PHP_EOL;
+ 
+        file_put_contents(self::$file, $log, FILE_APPEND | LOCK_EX);
+        if (self::$level <= self::DEBUG && !empty($var)) {
+            file_put_contents(self::$file, var_dump($var).PHP_EOL , FILE_APPEND | LOCK_EX);
+        }
+    }
+
+    public static function critical($txt, $var=NULL) {
+        if (self::$level <= self::CRITICAL ) {
+            self::write_log($txt, $var);
+        } 
+    }
+
+    public static function error($txt, $var=NULL) {
+        if (self::$level <= self::ERROR ) {
+            self::write_log($txt, $var);
+        } 
+    }
+
+    public static function warning($txt, $var=NULL) {
+        if (self::$level <= self::WARNING) {
+            self::write_log($txt, $var);
+        } 
+    }
+
+    public static function info($txt, $var=NULL) {
+        if (self::$level <= self::INFO) {
+            self::write_log($txt, $var);
+        } 
+    }
+}
diff --git a/htdocs/lib/config.php b/htdocs/lib/config.php
index efb2089..1b7ad75 100644
--- a/htdocs/lib/config.php
+++ b/htdocs/lib/config.php
@@ -6,3 +6,5 @@ spl_autoload_register(function ($class) {
 });
 
 $config = parse_ini_file('../config/config.ini', true);
+
+Logger::configure($config['log']);