Got the same problem and this is what i get when i run
DEBCONF_DEBUG=developer dpkg --configure -a
I've tried to run apt-get install -reinstall postfix but with no luck.
r...@srv01:~# DEBCONF_DEBUG=developer dpkg --configure -a
Setting up postfix (2.5.5-1.1) ...
debconf (developer): frontend started
debconf (developer): frontend running, package name is postfix
debconf (developer): starting /var/lib/dpkg/info/postfix.config configure
2.5.5-1.1
debconf (developer): -- VERSION 2
debconf (developer): -- 0 2.0
debconf (developer): -- CAPB backup
debconf (developer): -- 0 multiselect escape backup
debconf (developer): -- TITLE Postfix Configuration
debconf (developer): -- 0
debconf (developer): -- FGET postfix/main_mailer_type isdefault
debconf (developer): The isdefault flag is deprecated, use the seen flag instead
debconf (developer): -- 0 false
debconf (developer): -- INPUT high postfix/main_mailer_type
debconf (developer): -- 30 question skipped
debconf (developer): -- GET postfix/main_mailer_type
debconf (developer): -- 0 Internet Site
debconf (developer): -- FGET postfix/mailname isdefault
debconf (developer): The isdefault flag is deprecated, use the seen flag instead
debconf (developer): -- 0 false
debconf (developer): -- INPUT high postfix/mailname
debconf (developer): -- 30 question skipped
debconf (developer): -- GET postfix/main_mailer_type
debconf (developer): -- 0 Internet Site
debconf (developer): -- FGET postfix/root_address isdefault
debconf (developer): The isdefault flag is deprecated, use the seen flag instead
debconf (developer): -- 0 false
debconf (developer): -- INPUT medium postfix/root_address
debconf (developer): -- 30 question skipped
debconf (developer): -- GET postfix/main_mailer_type
debconf (developer): -- 0 Internet Site
debconf (developer): -- GET postfix/mailname
debconf (developer): -- 0 srv1.ergeni.com.mk
debconf (developer): -- FGET postfix/destinations set
debconf (developer): -- 0 true
debconf (developer): -- SET postfix/destinations srv01.ergeni.com.mk,
ergeni.com.mk, localhost.ergeni.com.mk, localhost
debconf (developer): -- 0 value set
debconf (developer): -- INPUT medium postfix/destinations
debconf (developer): -- 30 question skipped
debconf (developer): -- INPUT medium postfix/chattr
debconf (developer): -- 30 question skipped
debconf (developer): -- SET postfix/mynetworks 127.0.0.0/8
debconf (developer): -- 0 value set
debconf (developer): -- INPUT low postfix/mynetworks
debconf (developer): -- 30 question skipped
debconf (developer): -- FGET postfix/procmail isdefault
debconf (developer): The isdefault flag is deprecated, use the seen flag instead
debconf (developer): -- 0 false
debconf (developer): -- INPUT low postfix/procmail
debconf (developer): -- 30 question skipped
debconf (developer): -- INPUT low postfix/mailbox_limit
debconf (developer): -- 30 question skipped
debconf (developer): -- INPUT low postfix/recipient_delim
debconf (developer): -- 30 question skipped
debconf (developer): -- SET postfix/protocols all
debconf (developer): -- 0 value set
debconf (developer): -- INPUT low postfix/protocols
debconf (developer): -- 30 question skipped
debconf (developer): starting /var/lib/dpkg/info/postfix.postinst configure
2.5.5-1.1
debconf (developer): -- FGET postfix/chattr changed
debconf (developer): -- 0 false
debconf (developer): -- GET postfix/main_mailer_type
debconf (developer): -- 0 Internet Site
debconf (developer): -- FGET postfix/mailname changed
debconf (developer): -- 0 false
debconf (developer): -- FGET postfix/destinations changed
debconf (developer): -- 0 false
debconf (developer): -- FGET postfix/relayhost changed
debconf (developer): -- 0 false
debconf (developer): -- FGET postfix/mynetworks changed
debconf (developer): -- 0 false
debconf (developer): -- FGET postfix/procmail changed
debconf (developer): -- 0 false
debconf (developer): -- FGET postfix/mailbox_limit changed
debconf (developer): -- 0 false
debconf (developer): -- FGET postfix/recipient_delim changed
debconf (developer): -- 0 false
debconf (developer): -- FGET postfix/main_mailer_type changed
debconf (developer): -- 0 false
debconf (developer): -- FGET postfix/protocols changed
debconf (developer): -- 0 true
debconf (developer): -- GET postfix/protocols
debconf (developer): -- 0 all
setting inet_protocols: all
debconf (developer): -- FGET postfix/root_address changed
debconf (developer): -- 0 false
debconf (developer): -- FSET postfix/main_mailer_type changed false
debconf (developer): -- 0 false
debconf (developer): -- FSET postfix/root_address changed false
debconf (developer): -- 0 false
debconf (developer): -- FSET postfix/destinations changed false
debconf (developer): -- 0 false
debconf (developer): -- FSET postfix/mailname changed false
debconf (developer): -- 0 false
debconf (developer): -- FSET postfix/relayhost changed false
debconf (developer): -- 0 false
debconf (developer): -- FSET postfix/chattr changed false
debconf (developer): -- 0 false
debconf (developer):
