diff --git a/composer.json b/composer.json
index 79d77c4..d240d70 100644
--- a/composer.json
+++ b/composer.json
@@ -1,5 +1,7 @@
 {
     "require": {
-        "phpmailer/phpmailer": "^6.4"
+        "phpmailer/phpmailer": "^6.4",
+        "rakit/validation": "v1.4.0",
+      "ext-pdo": "*"
     }
 }
diff --git a/composer.lock b/composer.lock
index 359230a..bd21252 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "d01b4a542231b112db557e6b7e5a5121",
+    "content-hash": "59230ec995edc426fe883cde9a32b541",
     "packages": [
         {
             "name": "phpmailer/phpmailer",
@@ -81,6 +81,52 @@
                 }
             ],
             "time": "2021-03-31T20:06:42+00:00"
+        },
+        {
+            "name": "rakit/validation",
+            "version": "v1.4.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/rakit/validation.git",
+                "reference": "ff003a35cdf5030a5f2482299f4c93f344a35b29"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/rakit/validation/zipball/ff003a35cdf5030a5f2482299f4c93f344a35b29",
+                "reference": "ff003a35cdf5030a5f2482299f4c93f344a35b29",
+                "shasum": ""
+            },
+            "require": {
+                "ext-mbstring": "*",
+                "php": ">=7.0"
+            },
+            "require-dev": {
+                "php-coveralls/php-coveralls": "^2.2",
+                "phpunit/phpunit": "^6.5",
+                "squizlabs/php_codesniffer": "^3"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Rakit\\Validation\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Muhammad Syifa",
+                    "email": "emsifa@gmail.com"
+                }
+            ],
+            "description": "PHP Laravel like standalone validation library",
+            "support": {
+                "issues": "https://github.com/rakit/validation/issues",
+                "source": "https://github.com/rakit/validation/tree/v1.4.0"
+            },
+            "time": "2020-08-27T05:07:01+00:00"
         }
     ],
     "packages-dev": [],
diff --git a/config.ini.php.sample b/config.ini.php.sample
index 6f28f02..6998c83 100644
--- a/config.ini.php.sample
+++ b/config.ini.php.sample
@@ -1,5 +1,9 @@
 ;<?php die(); ?>
 
+url = http://localhost
+user = sample
+password = password
+
 [database]
 db_host = localhost
 db_database = alumni
@@ -12,6 +16,7 @@ mail_port = 25
 mail_user =
 mail_address =
 mail_password =
+mail_name = Alumni Max Emden
 
 [style]
 title = Alumni Max Emden
diff --git a/create.sql b/create.sql
index d935a39..6d9aa69 100644
--- a/create.sql
+++ b/create.sql
@@ -2,4 +2,6 @@ create table entries(id bigint auto_increment primary key, name varchar(255), ma
                      year int(4), birthday date, verify bool, vocation varchar(255)
 );
 
-create table verify(id bigint primary key, uuid BINARY(16) ,foreign key verify(id) REFERENCES entries(id));
\ No newline at end of file
+create table verify(id bigint primary key, uuid VARCHAR(36),foreign key verify(id) REFERENCES entries(id));
+
+CREATE TRIGGER before_insert_verify BEFORE INSERT ON verify FOR EACH ROW SET new.uuid = uuid();
\ No newline at end of file
diff --git a/general.php b/general.php
index 38028f1..cbe07b8 100644
--- a/general.php
+++ b/general.php
@@ -1,15 +1,21 @@
 <?php
+$db = getDatabase();
 
 function getConfig() {
     return parse_ini_file('config.ini.php');
 }
 
-function getDatabase() {
+function getDatabase(): PDO {
     $config = getConfig();
-    if($db = mysqli_connect($config['db_host'], $config['db_user'], $config['db_password'], $config['db_database'])){
-        return $db;
+
+    try {
+        $host = $config['db_host'];
+        $database = $config['db_database'];
+        return new PDO("mysql:host=$host;dbname=$database", $config['db_user'], $config['db_password']);
+    }
+    catch(PDOException $e) {
+        echo $e->getMessage();
     }
-    return null;
 }
 
 function returnHeader() {
diff --git a/login.php b/login.php
new file mode 100644
index 0000000..26f2330
--- /dev/null
+++ b/login.php
@@ -0,0 +1,17 @@
+<?php
+require_once 'general.php';
+
+returnHeader();
+$config = getConfig();
+
+if (isset($_POST['login']) && !empty($_POST['username'])
+    && !empty($_POST['password'])) {
+
+    if ($_POST['user'] == $config['user'] && $_POST['password'] == $config['password']) {
+        $_SESSION['timeout'] = time();
+    }
+}
+
+returnFooter();
+
+?>
\ No newline at end of file
diff --git a/overview.php b/overview.php
index 2d64e87..dd0806d 100644
--- a/overview.php
+++ b/overview.php
@@ -1,19 +1,22 @@
 <?php
 require_once 'general.php';
 
+session_start();
+if(!isset($_SESSION['user'])) {
+    echo "Nicht angemeldet";
+    http_response_code(401);
+    exit;
+}
+
 returnHeader();
 
-$file = file_get_contents("MOCK_DATA.json");
-if ($file === false) {
-    die();
+$statement = getDatabase()->prepare("SELECT * from entries WHERE verify = 1");
+
+if(!$statement->execute()) {
+    echo "database Error";
 }
 
-$entries = json_decode($file, true);
-if ($entries === null) {
-    die();
-}
-
-$config = getConfig();
+$entries = $statement->fetchAll(PDO::FETCH_ASSOC);
 
 ?>
 
@@ -43,13 +46,14 @@ $config = getConfig();
 
 
                         foreach ($entries as $entry) {
+                            $age = date_diff(date_create($entry['birthday']), date_create('now'))->y;
                             ?>
                             <tr>
                                 <td><?php echo $entry["name"] ?></td>
                                 <td><?php echo $entry["vocation"] ?></td>
-                                <td><?php echo $entry["email"] ?></td>
+                                <td><?php echo $entry["mail"] ?></td>
                                 <td><?php echo $entry["year"] ?></td>
-                                <td><?php echo $entry["age"] ?></td>
+                                <td><?php echo $age ?></td>
                             </tr>
                             <?php
                         }
diff --git a/submit.php b/submit.php
index 095b967..f6bc3bf 100644
--- a/submit.php
+++ b/submit.php
@@ -1,27 +1,76 @@
 <?php
-
+/**
 if ($_SERVER['REQUEST_METHOD'] != "POST") {
     die();
 }
+ * */
 
 require_once 'general.php';
 require_once 'vendor/autoload.php';
 
 use PHPMailer\PHPMailer\PHPMailer;
+use Rakit\Validation\Validator;
 
-$name = $_POST['name'];
-$mail = $_POST['mail'];
-$year = $_POST['year'];
-$birthday = $_POST['birthday'];
-$vocation = $_POST['vocation'];
-$privacy = $_POST['privacy'];
+$validator = new Validator;
 
-//validate here
+$validation = $validator->make($_POST,[
+    'name' => 'required',
+    'email' => 'required|email',
+    'year' => 'required|numeric',
+    'birthday' => 'required|date',
+    'vocation' => 'required',
+    'privacy' => 'required'
+]);
 
+$validation->setMessages([
+    'required' => ":attribute muss ausgefüllt werden",
+    'email' => "Die E-Mail Adresse :email ist nicht gültig",
+    'numeric' => ":numeric muss eine Zahl sein",
+    'date' => ":attribute muss ein Datum sein"
 
+]);
+
+$validation->validate();
+
+if($validation->fails()) {
+    $errors = $validation->errors();
+    echo "<pre>";
+    print_r($errors->firstOfAll());
+    echo "</pre>";
+    exit;
+}
+
+$validData = $validation->getValidData();
 
 $config = getConfig();
 
+$validData['verify'] = 0;
+unset($validData['privacy']);
+
+$db = getDatabase();
+$statement = $db->prepare("INSERT INTO entries(name, mail, year, birthday, verify, vocation) VALUES (:name, :email, :year, :birthday, :verify, :vocation)");
+
+if(!$statement->execute($validData)) {
+    echo "Datenbank Fehler";
+    exit;
+}
+$id = $db->lastInsertId();
+
+$statement = $db->prepare("INSERT INTO verify(id) VALUES (:id)");
+
+if(!$statement->execute(['id' => $id])) {
+    echo "Datenbank Fehler";
+    exit;
+}
+
+$statement = $db->prepare("SELECT uuid from verify WHERE id = :id");
+
+if(!$statement->execute(['id' => $id])) {
+    echo "database Error";
+}
+
+$uuid = $statement->fetch(PDO::FETCH_ASSOC)['uuid'];
+
 $mail = new PHPMailer(true);
 
 $mail->isSMTP();
@@ -32,15 +81,16 @@ $mail->Username = $config['mail_user'];
 $mail->Password = $config['mail_password'];
 
 $mail->From = $config['mail_address'];
-$mail->FromName = 'Mailer';
+$mail->FromName = $config['mail_name'];
 try {
-    $mail->addAddress('test@joethei.de', 'Joe User');
+    $mail->addAddress($validData['email'], $validData['name']);
 } catch (\PHPMailer\PHPMailer\Exception $e) {
+    echo $e->getMessage();
 }
 
-$mail->Subject = 'Here is the subject';
-$mail->AltBody = 'Message without html';
-$mail->Body    = 'This is the HTML message body <b>in bold!</b>';
+$mail->Subject = 'Bestätigung einer Eintragung';
+$mail->AltBody = 'Bitte bestätige deine Eintragung unter folgendem Link: ' . $config['url'] . "/verify.php/?id=" . $uuid;
+$mail->Body    = 'Bitte bestätige deine Eintragung bitte <a href="'  . $config['url'] . "/verify.php/?id=" . $uuid . '">hier</a>';
 
 
 try {
@@ -48,3 +98,11 @@ try {
 } catch (\PHPMailer\PHPMailer\Exception $e) {
     echo $e;
 }
+
+returnHeader();
+?>
+
+Vielen Dank, bitte bestätige deine E-Mail Adresse
+
+<?php
+returnFooter();
\ No newline at end of file