Send email from server to Google Apps email address (same domains)

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http://serverfault.com – I'm sending email from a server, let's say domain.com. I also have Google Apps email set up for hosted email, same domain, domain.com. If I get mail sent to me from anywhere else, I receive things just fine. However, if the email originates from my server, it just ends up in /var/mail/root as a delivery error saying the user is unknown. I created a user on the server for the name which is having trouble, [email protected] Retried sending and it sends, but not to my hosted email at Google Apps. I just receive it at /var/mail/webmaster now. I'm using sendmail. I messed around with /etc/a (HowTos)