--- /dev/null
+<?php
+include '../api/server_info.php';
+if (isset($_POST['mail'])){
+ if (file_exists(preg_split('/@/',$_POST['mail'])[0].'/index.php')){
+ $conn=mysqli_connect($db_link,$db_user,$db_password,$db_name);
+ echo $_POST['mail'];
+ $query=mysqli_query($conn,'SELECT mail_password FROM mail where mail_user="'.$_POST['mail'].'"');
+ $i=mysqli_fetch_array($query,MYSQLI_ASSOC);
+ if ($_POST['hash']==$i['mail_password']){
+ http_response_code(200);
+ }
+ else{
+ $query=mysqli_query($conn,'SELECT channel_name FROM mail_lists WHERE channel_name="'.$_POST['mail'].'"');
+ if (gettype($query=='boolean')){
+ http_response_code(400);
+ }
+ else{
+ http_response_code(200);
+ }
+ }
+ }
+ else{
+ http_response_code(500);
+ }
+}
+else{
+ http_response_code(400);
+}
+
+?>