1. Obtain the PHPMailer from http://www.netonboard.com/download/phpMailer.zip

2. There are two files in the zip file (class.phpmailer.php and class.smtp.php).

3. Both files must be placed together.

4. Extract the files in a folder call phpmailer.

5. Open notepad and paste the following code to a php file after performing the necessary changes.

SMTPServer - The smtp server address (e.g: mail.yourdomainname)
EmailID - One of your Email Login ID
EmailPassword - Password for the selected Email
SenderEmail - Sender Email Address, only from your domain email
SenderName - Sender Email Name
RecipientEmail - Recipient Sender Email Name
RecipientName - Name
ReplyEmail - Sender Email Address, only from your domain email
ReplyName - Sender Email Name
Subject - Subject of the Email
MessageBody - Email Message Contents
PlainTextBody - Plain Text Message Contents, will display when recipient can't read HTML

<?php
require("./phpmailer/class.phpmailer.php");

$mail = new PHPMailer();

$mail->IsSMTP();
$mail->Host = "SMTPServer";
$mail->SMTPAuth = true;
$mail->Username = "EmailID";
$mail->Password = "EmailPassword";

$mail->From = "SenderEmail";
$mail->FromName = "SenderName";
$mail->AddAddress("RecipientEmail", "RecipientName");
$mail->AddReplyTo("ReplyEmail", "ReplyName");

$mail->IsHTML(true);

$mail->Subject = "Subject";
$mail->Body    = "MessageBody";
$mail->AltBody = "PlainTextBody";

if(!$mail->Send())
{
   echo "Message could not be sent. <p>";
   echo "Mailer Error: " . $mail->ErrorInfo;
   exit;
}

echo "Message has been sent";
?>

6. You may obtain the sample code that utilise the phpmailer at http://www.netonboard.com/download/samplephpmailerform.zip