How can one troubleshoot and debug issues related to PHP's mail function not working as expected on a server?

To troubleshoot and debug issues related to PHP's mail function not working on a server, you can check the following: 1. Verify that the server has a mail server configured and running properly. 2. Check if the 'sendmail_path' directive is correctly set in the php.ini file. 3. Ensure that the 'From' address in the mail function is a valid email address. 

// Example code snippet to troubleshoot PHP mail function issues
ini_set('display_errors', 1);
error_reporting(E_ALL);

$to = 'recipient@example.com';
$subject = 'Test email';
$message = 'This is a test email';
$headers = 'From: sender@example.com';

if (mail($to, $subject, $message, $headers)) {
    echo 'Mail sent successfully';
} else {
    echo 'Failed to send mail';
}

Keywords

PHP mail function troubleshooting debugging server

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