Agreed, and I can still reproduce this in bionic with postfix 3.3.0-1:
ubuntu@bionic-postfix:~$ postconf virtual_alias_map
Segmentation fault (core dumped)
ubuntu@bionic-postfix:~$ dpkg-query -W postfix
postfix 3.3.0-1
ubuntu@bionic-postfix:~$ ll /etc/postfix/valiases.cf
-rw-r----- 1 root root 169 May 7 14:08 /etc/postfix/valiases.cf
ubuntu@bionic-postfix:~$
Agreed, and I can still reproduce this in bionic with postfix 3.3.0-1: bionic- postfix: ~$ postconf virtual_alias_map bionic- postfix: ~$ dpkg-query -W postfix bionic- postfix: ~$ ll /etc/postfix/ valiases. cf valiases. cf bionic- postfix: ~$
ubuntu@
Segmentation fault (core dumped)
ubuntu@
postfix 3.3.0-1
ubuntu@
-rw-r----- 1 root root 169 May 7 14:08 /etc/postfix/
ubuntu@