PHP mail function on *nix plaform

• http://www.marki-online.net/php-secure-sendmail/

  $mailFrom = "ValidMailbox@validdomain";
  $mailTo = "ValidToAddress";
  $mailSubject = "Useful Subject:  Here's my subject";
   
  $mailSignature = "\n\n--\n";
  $mailSignature .= "Your friendly Neighborhood web application.\n";
  $mailSignature .= "For help and other information, see http://yourwebapp/help\n";
  
  $mailBody ="blahblahblah\n";
  $mailBody .= $mailSignature;
  
  $mailHeader  = 'From: "'.$mailFrom.'" '."\r\n";
  $mailHeader .= "Reply-To: $mailFrom\r\n";
  $mailHeader .= "X-Mailer: ".MYSITE."\r\n";    
  $mailHeader .= "X-Sender-IP: {$_SERVER['REMOTE_ADDR']}\r\n";
  $mailHeader .= "Bcc: ".MONITORADDRESS."\r\n";	
  	
  $mailParams = "-f$mailFrom";
  $mailResult = mail($mailTo,$mailSubject,$mailBody,$mailHeader,$mailParams);

Be aware of this $mailParams = “-f$mailFrom”;

in php.ini there is sendmail_path with default settings (for *nix): sendmail -t -i

read more at http://it.extension.org/wiki/Best_Practices_Using_the_PHP_mail_Function