newsletter.php

<?php
    if ($_SERVER["REQUEST_METHOD"] == "POST") 
    {
        
        $email = filter_var(trim($_POST["subscribe_email"]), FILTER_SANITIZE_EMAIL);
        $message = "You Subcribed Now"; 
        $email_content = "Email: $email\n\n";
        $email_content = "Message:\n$message\n";
        //echo $email_content ;
        if ( /*empty($name)  OR empty($message) OR*/ !filter_var($email, FILTER_VALIDATE_EMAIL)) 
        {
            http_response_code(400);
            echo "Oops! There was a problem with your submission. Please complete the form and try again."; /*--------- Contact submission erroe Message ---------------*/
            exit;
        }
        $recipient = "youremail@gmail.com"; /*----- Add your email address here------*/
        $subject = "Your Subject $name";/*------ Add your email subject here------*/
        $email_content = "Email: $email\n\n";
        $email_content .= "Message:\n$message\n";
        $email_headers = "From: <$email>";
        if (mail($recipient, $subject, $email_content, $email_headers)) {
            http_response_code(200);
            echo "Thank You! Your message has been sent."; /*---------  Success Message ---------------*/
        } else {
            http_response_code(500);
            echo "Oops! Something went wrong and we couldn't send your message.";   /*--------- Contact Error Message ---------------*/
        }
    } 
    else 
    {
        http_response_code(403);
        echo "There was a problem with your submission, please try again."; /*--------- Contact submission erroe Message ---------------*/
    }
?>