[ 'domain' => env('MAILGUN_DOMAIN'), 'secret' => env('MAILGUN_SECRET'), 'endpoint' => env('MAILGUN_ENDPOINT', 'api.mailgun.net'), ], 'ses' => [ 'key' => env('SES_KEY'), 'secret' => env('SES_SECRET'), 'region' => env('SES_REGION', 'us-east-1'), ], 'sparkpost' => [ 'secret' => env('SPARKPOST_SECRET'), ], 'stripe' => [ 'model' => App\User::class, 'key' => env('STRIPE_KEY'), 'secret' => env('STRIPE_SECRET'), ], ];