I followed these instructions and took hints from other sites. I cant get my server to send emails using google apps (i spent 3 hours on this already.)
I get the error
Authentication Required. Learn more at 530 5.5.1 http://mail.google.com/support/bin/answer.py?answer=14257
My postfix files are
I verified my user/pass is correct. I tested with the command
sendmail -bv firstname.lastname@example.org and use mail to see the error message.