Tích hợp mailgun vào laravel 5.5

Lỗi:

cURL error 60: SSL certificate problem: unable to get local issuer certificate

You can still use "guzzlehttp/guzzle": "~5.3|~6.0", in your composer.json but you need to edit the following file in vendor/guzzlehttp/guzzle/src/Client.php

$defaults = [ 'allow_redirects' => RedirectMiddleware::$defaultSettings, 'http_errors' =>; true, 'decode_content'=> true, 'verify' =>; true, // TO BE REPLACED by false 'cookies' => false ];