This bug was fixed in the package postfix - 2.11.3-1ubuntu1
--------------- postfix (2.11.3-1ubuntu1) vivid; urgency=medium
* support postfix/protocols (LP: #583216) -- Seyeong Kim <email address hidden> Mon, 02 Feb 2015 15:50:04 -0600
This bug was fixed in the package postfix - 2.11.3-1ubuntu1
---------------
postfix (2.11.3-1ubuntu1) vivid; urgency=medium
* support postfix/protocols (LP: #583216)
-- Seyeong Kim <email address hidden> Mon, 02 Feb 2015 15:50:04 -0600