codeigniter smtp mail not working properly - php

Question

I have use gmail smtp email library to send mail from codeingiter project.
But it shows below error while submit form:
A PHP Error was encountered
Severity: Warning
Message: mail(): Failed to connect to mailserver at "localhost" port 25, verify your "SMTP" and "smtp_port" setting in php.ini or use ini_set()
Filename: libraries/Email.php
Line Number: 1902
Backtrace:
File: D:\xampp\htdocs\projectName\application\controllers\Users.php
Line: 66
Function: send
File: D:\xampp\htdocs\projectName\index.php
Line: 315
Function: require_once
My controller function code:
$config = array(
'protocol' => 'smtp',
'smtp_host' => 'smtp.gmail.com',
'smtp_port' => 587, //if 80 dosenot work use 24 or 21
'smtp_user' => '**',
'smtp_pass' => '**',
'_smtp_auth' => true,
'smtp_crypto' => 'tls',
'protocol' => 'smtp',
'mailtype' => 'html',
'charset' => 'iso-8859-1',
'wordwrap' => TRUE
);
$this->load->library('email', $config);
$this->email->set_newline("\r\n");
$this->email->from('users#gmail.com'); //same email u use for smtp_user
$this->email->to($this->input->post('user_email'));
$this->email->subject($subject);
$this->email->message($message);
if($this->email->send())
My php.ini file:
[mail function]
; For Win32 only.
; http://php.net/smtp
SMTP=localhost
; http://php.net/smtp-port
smtp_port=25
But still mail not send.
Is there any problem with my controller.

Answer 1

The issue with your code is that you are not initializing the email setting. Your controller code on line $this->load->library('email', $config); is wrong. You have to initialize the email setting separately after the email library is loaded.
Take a look at this code.
$config['protocol'] = 'smtp';
$config['smtp_host'] = 'smtp.gmail.com';
$config['smtp_port'] = 587, //if 80 dosenot work use 24 or 21
$config['smtp_user'] = '**';
$config['smtp_pass'] = '**';
$config['_smtp_auth'] = true,
$config['smtp_crypto'] = 'tls';
$config['protocol'] = 'smtp';
$config['mailtype'] = 'html';
$config['charset'] = 'iso-8859-1';
$config['wordwrap'] = TRUE
$this->load->library('email');
$this->email->initialize($config);
$this->email->set_newline("\r\n");
$this->email->from('users#gmail.com'); //same email u use for smtp_user
$this->email->to($this->input->post('user_email'));
$this->email->subject($subject);
$this->email->message($message);
$this->email->send();
For more information look at here