define('NEWLINE', "\n"); define ("EMAILFOOTER", NEWLINE. 'blah, blah, blah.'.NEWLINE. 'blah, blah, blah.'.NEWLINE. 'To login, click on the following link: '.URL); This works fine when viewing an email generated by this code in a browser- based email client, but fails to break lines in Microsoft Outlook on XP. What am I doing wrong? Cliff