How can one troubleshoot and debug email sending issues in PHP?

To troubleshoot and debug email sending issues in PHP, you can start by checking if the SMTP server settings are correct, ensuring that the email address format is valid, and verifying that the email function is properly called in your code. Additionally, you can use error handling techniques such as try-catch blocks to catch any exceptions that may occur during the email sending process. 

// Example PHP code snippet to send an email with error handling

// Set up the email parameters
$to = "recipient@example.com";
$subject = "Test Email";
$message = "This is a test email.";

// Attempt to send the email
try {
    if (mail($to, $subject, $message)) {
        echo "Email sent successfully.";
    } else {
        throw new Exception("Failed to send email.");
    }
} catch (Exception $e) {
    echo "An error occurred: " . $e->getMessage();
}

Keywords

SMTP PHPMailer error logs mail function email headers

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