Mail not being sent because of failed validation about emailvalidator HOT 2 CLOSED

<?php

use Carbon\Carbon;
use App\Mail\Contact;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Mail;

Route::post('contact', function (Request $request) {
    $request->validate([
        'name' => 'required',
        'email' => 'required|email',
        'message' => 'required',
        'captcha' => 'required',
    ]);

    // Validate captcha
    $client = new \GuzzleHttp\Client();
    $response = $client->request('POST', 'https://www.google.com/recaptcha/api/siteverify', [
        'form_params' => [
            'secret' => env('RECAPTCHA_SECRET', 'none'),
            'response' => $request->get('captcha'),
        ]
    ]);

    $data = json_decode((string) $response->getBody(), true);
    $errorMessage = "Ein Fehler ist aufgetreten. Bitte später erneut versuchen!";

    if (!$data['success']) {
        return response()->json($errorMessage, 400);
    }

    $data = $request->only(['name', 'email', 'message']);
    $data['date'] = Carbon::now()->format('d.m.Y H:i A');

    try {
        Mail::to(env('MAIL_TO'))->send(new Contact($data));
        return response()->json('Ok', 200);
    } catch (\Exception $e) {
        Log::error("Error sending email. " . $e->getMessage());
        return response()->json($errorMessage, 500);
    }
});