Hi, We're having a problem with our php form sending to yahoo, aol, etc. The script is below. I believe it's using the standard SMTP of the server. I'd like it to use a username and password to authenticate through one of my accounts in mailenable and use that SMTP. Thanks. <?php // send to variables //---- START EDIT HERE ------ $sendTo = $_POST["email"]; $subject = "Question"; /// ---- STOP EDIT HERE ------ // header information not including sendTo and Subject // these all go in one variable. First, include From: $headers = "From: " . $_POST["name"] ." ". "<" . $_POST["email"] .">\r\n"; // next include a replyto $headers .= "Reply-To: " . $_POST["email"] . "\r\n"; // often email servers won't allow emails to be sent to // domains other than their own. The return path here will // often lift that restriction so, for instance, you could send // email to a hotmail account. (hosting provider settings may vary) // technically bounced email is supposed to go to the return-path email $headers .= "Return-path: " . $_POST["email"]; // now we can add the content of the message to a body variable $body = "Full Name: " . $_POST["name"] ."\r\n". "Email: " . $_POST["email1"] ."\r\n\r\n". "--------Ask The Doctor--------" . "\r\n" . "Message: " . $_POST["message"]; // once the variables have been defined, they can be included // in the mail function call which will send you an email mail($sendTo, $subject, $body, $headers); ?>