How can PHP developers troubleshoot errors related to the mail() function not working as expected?

If the mail() function is not working as expected in PHP, developers can troubleshoot the issue by checking the mail server configuration, ensuring that the correct parameters are passed to the function, and verifying that the email addresses are valid. Additionally, checking for any error messages or logs can help identify the root cause of the problem. 

// Example code snippet to troubleshoot mail() function not working
$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 "Email sent successfully!";
} else {
    echo "Email sending failed. Check your configuration and parameters.";
}

Keywords

mail function troubleshooting error handling SMTP PHPmailer

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