MAIL_DRIVER=smtp
MAIL_HOST=smtp.gmail.com
MAIL_PORT=587
MAIL_USERNAME=username@gmail.com
MAIL_PASSWORD=password
MAIL_ENCRYPTION=ssl

<?php

return [
    'driver' => env('MAIL_DRIVER', 'smtp'),
    'host' => env('MAIL_HOST', 'smtp.gmail.org'),
    'port' => env('MAIL_PORT', 587),
    'from' => [
        'address' => env('MAIL_FROM_ADDRESS', 'hello@example.com'),
        'name' => env('MAIL_FROM_NAME', 'Example'),
    ],
    'encryption' => env('MAIL_ENCRYPTION', 'tls'),
    'username' => env('MAIL_USERNAME'),
    'password' => env('MAIL_PASSWORD'),
    'sendmail' => '/usr/sbin/sendmail -bs',
    'markdown' => [
        'theme' => 'default',

        'paths' => [
            resource_path('views/vendor/mail'),
        ],
    ],

];

public function postContact(Request $request) {
    $this->validate($request, [

      'email' => 'required|email',
      'subject' => 'required|min:3',
      'message' => 'required|min:10'
    ]);

    $data = array(
      'email' => $request->email,
      'subject' => $request->subject,
      'mailbody' => $request->message
    );

    Mail::send('emails.contact', $data, function($message) use ($data) {
      $message->from($data['email']);
      $message->to('username@gmail.com');
      $message->subject($data['subject']);
    });
  }

MAIL_DRIVER=smtp
MAIL_HOST=smtp.gmail.com
MAIL_PORT=587
MAIL_USERNAME=username@gmail.com
MAIL_PASSWORD=mypassword

MAIL_DRIVER=smtp
MAIL_HOST=smtp.gmail.com
MAIL_PORT=465
MAIL_USERNAME=address@gmail.com
MAIL_PASSWORD=secreat
MAIL_ENCRYPTION=ssl