This bug was fixed in the package postfix - 3.1.0-3ubuntu0.1
--------------- postfix (3.1.0-3ubuntu0.1) xenial; urgency=medium
* Cherrypick from debian. - debian/postfix.postinst: Provide main/master.cf.proto for multi-inst. Closes LP: #1595096.
-- Jon Grimm <email address hidden> Fri, 24 Mar 2017 17:22:58 -0500
This bug was fixed in the package postfix - 3.1.0-3ubuntu0.1
---------------
postfix (3.1.0-3ubuntu0.1) xenial; urgency=medium
* Cherrypick from debian. postfix. postinst: Provide main/master. cf.proto for multi-inst.
- debian/
Closes LP: #1595096.
-- Jon Grimm <email address hidden> Fri, 24 Mar 2017 17:22:58 -0500