What are some potential pitfalls to avoid when working with undelivered email notifications in PHP?

One potential pitfall to avoid when working with undelivered email notifications in PHP is failing to handle errors that may occur during the email sending process. It is important to implement error handling to catch any exceptions that may arise, such as invalid email addresses or server issues, and provide appropriate feedback to the user. 

// Example of implementing error handling for email sending
try {
    // Code to send email
    if (!mail($to, $subject, $message)) {
        throw new Exception('Email sending failed');
    }
    echo 'Email sent successfully';
} catch (Exception $e) {
    echo 'An error occurred: ' . $e->getMessage();
}

Keywords

SMTP bounce handling email headers SPF DKIM

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