problem while sending mail to yahoo and some one but not with all

[sandhya]

hi all,

      I am trying to send a mail using php to two mail ids one could be yahoo mail id and other could be other ones like gmail or some personnel servers. i'm getting problem with yahoo and personnel servers. what could be the problem? Is there any code to solve this problem. I'm giving code also what i"ve wrote. If anybody knows the solution please help me.

[sandhya]

Here I am giving code.

        $em="sandy@gmail.com,sandy@yahoo.com";

 

$tom=trim($em);

 

$subject="Sales: Registration Request Information of ".trim($_POST[fname]);

 

$msg = $strg;

 

$headers  = "MIME-Version: 1.0\r\n";

 

$headers .= "Content-type: text/html; charset=iso-8859-1\r\n";

 

$headers .= "From: ".trim($_POST[email)."\r\n";

 

mail($tom, $subject, $msg, $headers);