Am 2013-05-13 13:12, schrieb LuKreme:
Other than disabling postscreen which I’m not going to do, is there anything I can do to whitelist all the google.com domains?
Google recommends their SPF entries: http://support.google.com/a/bin/answer.py?hl=en&hlrm=de&answer=60764
You could create an automatic client whitelist with dig or nslookup and some script foo. -Timo
