PHP Email Test Script

test_email.php

<?php                                                                                                       
    $subject = 'hello world';
    $mailto = '(my email)';
    $mailfrom = 'do_not_reply@(email)';
    $content = 'Test email !';
    $headers  = 'MIME-Version: 1.0' . "\r\n";
    $headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";
    $headers .= "From:".$mailfrom;
    //$success = mail($mailto,$subject,$content,$headers);  
    $success = mail($mailto,$subject,$content);  
    if (!$success) {
        $errorMessage = error_get_last()['message'];
        echo $errorMessage;
    }   
    else {
        echo 'success!';
    }   
?>