isSMTP(); $mail->Host = 'mail.example.com'; $mail->SMTPAuth = true; $mail->Username = 'username'; $mail->Password = 'password'; $mail->SMTPSecure = 'ssl'; $mail->From = 'from@example.com'; $mail->FromName = 'Sender Name'; $mail->addAddress('recipient@example.com', 'Recipient Name'); $mail->addAttachment('path/to/image.jpg', 'image.jpg'); $mail->isHTML(true); $mail->Subject = 'HTML Email with image attachment'; $mail->Body = 'HTML Email Body
'; if(!$mail->send()) { echo 'Message could not be sent.'; echo 'Mailer Error: ' . $mail->ErrorInfo; } else { echo 'Message has been sent'; } ?>
Package Library: None (standard PHP function) In summary, PHPMailer is a popular package library used for sending complex HTML emails with attachments, while the standard PHP mail() function can be used for simple plain-text emails with basic headers.