Enable system mail hold

database/migrations/2022_01_15_112024_system_mail_hold.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class SystemMailHold extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+		Schema::table('systems', function (Blueprint $table) {
+			$table->boolean('hold')->default(FALSE);
+		});
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+		Schema::table('systems', function (Blueprint $table) {
+			$table->dropColumn(['hold']);
+		});
+    }
+}