PHP Send Email

Copy<?php
$to = "user@example.com";
$subject = "Test Email";
$message = "Hello! This is a test email.";
$headers = "From: admin@example.com";

if (mail($to, $subject, $message, $headers)) {
  echo "Email sent successfully.";
} else {
  echo "Email sending failed.";
}
?>

Copy<?php
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

require 'vendor/autoload.php';

$mail = new PHPMailer(true);
try {
  $mail->isSMTP();
  $mail->Host = 'smtp.gmail.com';
  $mail->SMTPAuth = true;
  $mail->Username = 'your_email@gmail.com';
  $mail->Password = 'your_app_password';
  $mail->SMTPSecure = 'tls';
  $mail->Port = 587;

  $mail->setFrom('your_email@gmail.com', 'LiveCodeProgramming');
  $mail->addAddress('recipient@example.com');

  $mail->isHTML(true);
  $mail->Subject = 'SMTP Email Test';
  $mail->Body    = '<b>Hello</b>, this is a test email via PHPMailer';

  $mail->send();
  echo 'Email has been sent';
} catch (Exception $e) {
  echo "Message could not be sent. Error: {$mail->ErrorInfo}";
}
?>

Copy<?php
$email = $_POST['email'];
if (filter_var($email, FILTER_VALIDATE_EMAIL)) {
  echo "Valid email address.";
} else {
  echo "Invalid email address.";
}
?>