return [
     'driver' => env('MAIL_DRIVER', 'smtp'),
     'host' => env('MAIL_HOST', 'smtp.mailgun.org'),
     'port' => env('MAIL_PORT', 587),
     'from' => ['address' => 'myemail@gmail.com', 'name' => 'sample'],
     'encryption' => env('MAIL_ENCRYPTION', 'tls'),
     'username' => env('MAIL_USERNAME'),
     'password' => env('MAIL_PASSWORD'),
     'sendmail' => '/usr/sbin/sendmail -bs',
     'pretend' => env('MAIL_PRETEND', false),

 ];

MAIL_DRIVER=smtp
MAIL_HOST=smtp.gmail.com
MAIL_PORT=587
MAIL_USERNAME=myemail@gmail.com
MAIL_PASSWORD=mypassword
MAIL_ENCRYPTION=null

public function sendEmailVerification()
{
    $user = $this->user;//retrieved by $request->user() in __construct

    Mail::send('emails.verifyemail', ['user' => $user], function ($m) use ($user) {
        $m->from('myemail@gmail.com, 'sample');

        $m->to($user->email, $user->name)->subject('Verify Email');
    });
}

MAIL_DRIVER=smtp
MAIL_HOST=smtp.gmail.com
MAIL_PORT=465
MAIL_USERNAME=mail@gmail.com
MAIL_PASSWORD=12345678
MAIL_ENCRYPTION=ssl