ldc-web/app/Http/Requests/EmailAddresses/StoreEmailAddressRequest.php

<?php

namespace App\Http\Requests\EmailAddresses;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Support\Facades\Auth;

class StoreEmailAddressRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return boolean
     */
    public function authorize()
    {
        return Auth::check();
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
            'account' => 'required|min:2|max:255',
            'password' => 'required|max:255',
            'domain_name_id' => 'required|exists:domain_names,id'
        ];
    }
}