Comment 9 for bug 1595096

And just to complete the loop, here's sid.

root@sid1:~# postmulti -e init
root@sid1:~# postmulti -I postfix-example -G postfix -e create config_directory=/etc/postfix-example queue_directory=/var/spool/postfix-example data_directory=/var/lib/postfix-example
postfix/postmulti-script: fatal: Missing main.cf prototype: /etc/postfix/main.cf.proto
root@sid1:~# dpkg-query -l postfix
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-=============================-===================-===================-================================================================
ii postfix 3.1.0-5+b1 amd64 High-performance mail transport agent