How to Fix 'Connection Timed Out' and 'SSL Operation Failed' Errors When Sending Emails via Gmail SMTP with CodeIgniter?

Sending Email via Gmail SMTP Using CodeIgniter's Email Library

An error occurs while implementing email sending via Gmail SMTP with the CodeIgniter email library, indicating a "Connection timed out" or "SSL operation failed" error. To resolve this:

For SMTP Connection Timed Out:

• Ensure the Gmail account's "Less secure app access" setting is enabled in the Google account settings.

For SSL Operation Failure:

• Use port 465 with TLS encryption instead of port 587.
• Modify the SMTP host to ssl://smtp.googlemail.com instead of ssl://smtp.gmail.com.

Code:

$config = [
    'protocol' => 'smtp',
    'smtp_host' => 'ssl://smtp.googlemail.com',
    'smtp_port' => 465,
    'smtp_user' => 'xxx',
    'smtp_pass' => 'xxx',
    'mailtype' => 'html',
    'charset' => 'iso-8859-1'
];
$this->load->library('email', $config);
$this->email->set_newline("\r\n");

// Set to, from, message, etc.

$result = $this->email->send();

This code modification should resolve the connection timeouts and SSL operation failures.

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