Am 02.12.2014 um 11:39 schrieb Christian Rößner:
what for mails from ourself to the world? Maybe reject_sender_login_mismatch
that should be mandatory as well as the general rule "do not allow senders you would accept incoming mail for"
German law does not allow to scan for Spam
says who?if you scan incoming mail you also can scan outgoing mail and anything else is hypocritical because you get the quotes in answers back in the inbound flow