Email remains a crucial tool for communication, both personal and professional. PHP developers play a vital role in ensuring that email communications are secure and reliable. This guide will delve into sending emails using PHP, covering single emails, bulk emails, and recurring emails. Sending a Single Email To send a single email using PHP, you can utilize the built-in mail() function. Here's an example of how to send an email with the mail() function: PHP <?php $to = " recipient@example.com " ; $subject = "Subject of the Email" ; $message = "This is the body of the email." ; $headers = "From: sender@example.com " ; if (mail( $to , $subject , $message , $headers )) { echo "Email sent successfully!" ; } else { echo "Failed to send email." ; } ?> Sending Bulk Emails For sending bulk emails, you can employ a dedicated email sending library like PHPMailer. PHPMailer provides a robust and fe