Am 12.08.2014 um 16:04 schrieb Matthias Schneider: > I found a solution, turning off chroot for cleanup in master.cf > > cleanup unix n - n - 0 cleanup > > this should be added to the documention: > http://www.postfix.org/postconf.5.html#milter_header_checks
no - chroot should not be enabled until someone knows exactly what he is doing and it is *not* enabled by default except by the Debian maintainers over years more then 50% of the here reported problems are caused by chroot enabled somewhere in "master.cf"