PHP：从microsoft exchange server 2007发送html电子邮件

Question

I can't send e-mail to outside of my domain using basic php mail function.It shows error when i want to send e-mail to yahoo or gmail or outside of my domain.The error is:Warning: mail() [function.mail]: SMTP server response: 550 5.7.1 Unable to relay in C:\-----\email.php on line 6.My code is below.

 $to = "[e-mail]";
 $subject = "Hi!";
 $body = "Hi,

How are you?";
 if (mail($to, $subject, $body)) {
   echo("<p>Message successfully sent!</p>");
  } else {
   echo("<p>Message delivery failed...</p>");
  }

My e-mail server is Microsoft exchange server 2007. Is their any well stablished php class or code available to send email.

pls help

Answer 1

Did you try using a email library like swift? http://swiftmailer.org/