Hello, your configuration is ok,
i try send you (whit my email), an email test and postifix delivered correctly.
Oct 28 13:36:58 mx1 postfix/smtp[1278]: 53A7F8D0D: to=<
[email protected]>, relay=aspmx.l.google.com[173.194.69.26]:25, delay=0.79, delays=0/0/0.21/0.58, dsn=2.0.0, status=sent (250...