platform: Entware (OpenWRT based = router firmware)
-> minimal: no SElinux, no appArmor, readme_directory = no, etc.
environment: root user name is renamed
# postconf -n
command_directory = /opt/sbin
compatibility_level = 2
config_directory = /opt/etc/postfix
daemon_directory = /opt/libexec/postfix
data_directory = /opt/var/lib/postfix
debug_peer_level = 2
debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd
$daemon_directory/$process_name $process_id & sleep 5
default_database_type = cdb
inet_protocols = ipv4
mail_spool_directory = /opt/var/mail
manpage_directory = no
myhostname = domain.nl
mynetworks = 1.1.2.1,8.9.1.1
queue_directory = /opt/var/spool/postfix
shlib_directory = /opt/lib/postfix
smtputf8_enable = no
unknown_local_recipient_reject_code = 550
# postfix set-permissions
find: unknown user root
# ls -lah /opt/sbin/postdrop
-rwxr-xr-x 1 NewRootUser root 246.8K
Trying to manually fix permissions:
# chown AdminUserName:postdrop /opt/sbin/postdrop
# chown AdminUserName:postdrop /opt/sbin/postqueue
# chmod g+s /opt/sbin/postdrop
# chmod g+s /opt/sbin/postqueue
Result:
# postfix -vvvv start
...
postfix: dict_lookup: html_directory = no
postfix: mac_parse: no
postfix: dict_eval: const no
postsuper: fatal: scan_dir_push: open directory defer: Permission denied
# ls -la /opt/var/spool/postfix
drwxr-xr-x 16 AdminUserName root 4096 Sep 22 23:53 .
drwxr-xr-x 3 AdminUserName root 4096 Sep 22 23:53 ..
drwx------ 2 AdminUserName root 4096 Sep 8 22:33 active
drwx------ 2 AdminUserName root 4096 Sep 8 22:33 bounce
drwx------ 2 AdminUserName root 4096 Sep 8 22:33 corrupt
drwx------ 2 AdminUserName root 4096 Sep 8 22:33 defer
drwx------ 2 AdminUserName root 4096 Sep 8 22:33 deferred
drwx------ 2 AdminUserName root 4096 Sep 8 22:33 flush
drwx------ 2 AdminUserName root 4096 Sep 8 22:33 hold
drwx------ 2 AdminUserName root 4096 Sep 8 22:33 incoming
drwx-wx--- 2 AdminUserName root 4096 Sep 8 22:33 maildrop
drwxr-xr-x 2 AdminUserName root 4096 Sep 8 22:33 pid
drwx------ 2 AdminUserName root 4096 Sep 8 22:33 private
drwx--x--- 2 AdminUserName root 4096 Sep 8 22:33 public
drwx------ 2 AdminUserName root 4096 Sep 8 22:33 saved
drwx------ 2 AdminUserName root 4096 Sep 8 22:33 trace
Note: all above directories have read and execute permission for
everyone (.......r-x)
1. How to make "postfix set-permissions" learn how to correctly set the
required permissions?
2. How to manually fix the postfix permissions?
