Unable to send email using SMTP gmail config in codeigniter 3

Question

Below are my code and I refer all examples in stack overflow and codeigniter user guide. still I unable to solve this

public function send()
{
    $config[\         


        

Answer 1

Quỳnh Nguyễn's answer worked for me too. However I think it's worth pointing out that my code fails unless I put the line

$this->email->set_newline("\r\n");

Without that line, gmail complaints about wrong user/password :|

Regards