Error at sending Email confirmation

[xyrhou]

When i uploaded my site i got these error at registration. When a user register he/she will receive a confirmation email with the link to activate his/her account.
But i got this error when i click register:


Warning: mail() [function.mail]: SMTP server response: 530 SMTP authentication is required. in E:\Inetpub\vhos ts\sneakersworl d.org\httpdocs\ Sneakers\includ e\mailer.php on line 40

the line 40 of my mailer.php is

return mail($email,$subject,$body,$from);

Warning: Cannot modify header information - headers already sent by (output started at E:\Inetpub\vhos ts\sneakersworl d.org\httpdocs\ Sneakers\includ e\mailer.php:40 ) in E:\Inetpub\vhos ts\sneakersworl d.org\httpdocs\ Sneakers\proces s.php on line 105

and my process.php line 105 is

  /* Registration Successful */
      if($retval == 0){
         $_SESSION['reguname'] = $_POST['user'];
         $_SESSION['regsuccess'] = true;
         header("Location: ".$session->referrer); // the 105 line

im a newbie in php and its my first time in uploading a website online..

please help.. thanks..

im using jp77 log in system from jp77.org..

[philipwayne]

It means you have to login to the mail server you are trying to use.

[xyrhou]

Can you please specify what is a mail server? T_T im a total newbie at uploading sites online php etc..

I contacted the host they said i should use SMTP Authentication but did not tell me how to..

There is a webmail option at the mail menu in their plesk system but im not sure about it..

here is the site

sneakersworld.o rg

thanks

[xyrhou]

i downloaded a PHPMailer_v5.1 but where do i need to extract it at my online host?

[Dormilich]

any directory you like.