On ubuntu 16.04 xenial,postfix 3.1.0-3
postfix/postmulti-script: fatal: Missing main.cf prototype: /etc/postfix/main.cf.proto
On ubuntu 16.04 xenial,postfix 3.1.0-3
postfix/ postmulti- script: fatal: Missing main.cf prototype: /etc/postfix/ main.cf. proto