How can the PHP manual be utilized to understand and implement the correct headers for sending HTML emails?

When sending HTML emails using PHP, it is important to set the correct headers to ensure the email is properly formatted and displayed. The PHP manual provides detailed information on the headers required for sending HTML emails, including the Content-Type header specifying the email format as text/html. By following the guidelines in the PHP manual, you can ensure that your HTML emails are delivered correctly. 

<?php
$to = 'recipient@example.com';
$subject = 'HTML Email Test';

$message = '<html><body>';
$message .= '<h1>Hello, this is a test HTML email!</h1>';
$message .= '</body></html>';

$headers = "MIME-Version: 1.0" . "\r\n";
$headers .= "Content-type:text/html;charset=UTF-8" . "\r\n";

// Additional headers
$headers .= 'From: sender@example.com' . "\r\n";

mail($to, $subject, $message, $headers);
?>

Keywords

PHP manual headers HTML emails implementation understanding

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