Michael Jung: > mailbox_command = /usr/local/bin/spamc -s 2000000 -y -R --pipe-to > /usr/bin/mail -s spam-report "{$sender)"
"{$sender)" looks like a syntax error to me. Regardless, $sender is not defined. The valid names are documented in http://www.postfix.org/postconf.5.html#mailbox_command Wietse