This bug was fixed in the package postfix - 3.3.0-1ubuntu0.1
--------------- postfix (3.3.0-1ubuntu0.1) bionic; urgency=medium
* debian/patches/fix-postconf-segfault.diff: Fix a postconf segfault when map file cannot be read. Thanks to Viktor Dukhovni <postfix- <email address hidden>>. (LP: #1753470)
-- Karl Stenerud <email address hidden> Thu, 16 Aug 2018 11:33:00 -0700
This bug was fixed in the package postfix - 3.3.0-1ubuntu0.1
---------------
postfix (3.3.0-1ubuntu0.1) bionic; urgency=medium
* debian/ patches/ fix-postconf- segfault. diff: Fix a postconf segfault
when map file cannot be read. Thanks to Viktor Dukhovni <postfix-
<email address hidden>>. (LP: #1753470)
-- Karl Stenerud <email address hidden> Thu, 16 Aug 2018 11:33:00 -0700