Using an SMTP server to send emails

[eluser]KeyStroke[/eluser]
Thanks everyone

I've upgraded the server (XAMPP), and now I'm running into a different issue. Now I get this single error instead:

A PHP Error was encountered

Severity: Warning

Message: mail() [function.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: 1519

php.ini only has options for smtp server and port; nothing for authentication, so I can't see how this would be useful. And no matter what I put there, it still displays the same message!

I don't understand why my CodeIgniter options are being ignored. Here's my CI code (this time trying Gmail):

Code:

function send_email()
{
    $this->load->library('email');

    $config['smtp_host'] = 'ssl://smtp.gmail.com';
    $config['smtp_user'] = '[email protected]'; // not my actual email obviously
    $config['smtp_pass'] = 'mypassword';
    $config['smtp_port'] = 465;

    $this->email->initialize($config);
    $this->email->from('[email protected]', 'KeyStroke');
    $this->email->reply_to('[email protected]', 'KeyStroke');
    $this->email->to('[email protected]');
    $this->email->subject('Hello world!');
    $this->email->message('Testing emails.');
    $this->email->send();
}

(yes, OpenSSL is installed and working)

TheFuzzy0ne:
Yes, they are actually my domains hosted on my own VPS server.

brianw1957:
Doesn't work.

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What am I doing wrong here?