Sent mail from my site to members appears as spam
$headers = "From: [email protected]";
$headers .= "Reply-To: [email protected]";

if ( mail("[email protected]","Test","Hello,world !",$headers) ) {
   echo "The email has been sent!";
   } else {
   echo "The email has failed!";
   }

$to = "[email protected]";
$subject = "Put Subject Here";
$message = "Put at least a paragraph of text";
$headers = "MIME-Version: 1.0n";
$headers .= "Content-type: text/htmlrn";
$headers .= "X-Mailer: PHP/" . phpversion() . "rn";
$headers .= "From: [email protected]";
$headers .= "Reply-To: [email protected]";

if ( mail($to,$subject,$message,$headers) ) {
    echo "The email has been sent!";
} else {
    echo "The email has failed!";
}