php mail server error

I got a problem sending mail throught the php command mail. I am running a Windows Server with PHP 4.3.1.

It shows the following.

Warning: mail(): "sendmail_from" not set in php.ini or custom "From:" header missing in c:\program files\apache group\apache\htdocs\tyler\lars\admin\sendnewsletter.php on line 32

This is what i put in.

mail($result[0], $subject, $newsletter, "From: IT3000 Newsletter");

This is what the sendmail_from function in the php.ini is set at.

sendmail_from = root@localhost


Could someone be able to help me?

 

 

 

 

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