Linking Submit button in php to email

Thank you Nancy.  Contacted my server host to check.  Waiting for a posirtive answer.

Meanwhile,here is my code.

<!doctype php>
<?php
if(lissett($POST_['submit']))
$to = "myname@myagency.ca";
$subject= 'Contact Form Submit';
$email_message= 'Quick Request Submission:\n\n';

mail ($email, $request, $message, "From:".$from);

$name = $_POST['Your Name'];
$email = $_POST['Your email'];
$request = $_POST['Request'];
$message = $_POST['Message'];

$email_from = "myname@myagency.ca';
$email_subject = 'New Request Submssion'
$email_body = "You have received a new message from $name.\n".
"Here is the message:\n $message".

<form action="http://newavenues.ca/request_form.php"

$subject = "Information Request";
print "This is an automated message from (Agency name inc.). Your message has been sent. Please do not reply to this email.";
?>