Ok, so I made a supid error and ran /opt/zextras/libexec/zmfixperms to try to fix a problem with maildrop.
Now now service will start
zextras@mail:~$ zmcontrol start
Host mail.itsupportservices.network
Starting directory server...Done.
Failed.
Failed to start slapd. Attempting debug start to determine error.
663e1d4b daemon: bind(7) failed errno=99 (Cannot assign requested address)
663e1d4b slap_open_listener: failed on ldap://mail.itsupportservices.network:389
Is there a guide as to how to set all permissions manually ?
The original permission errors was:
May 9 15:35:10 mail postfix/postdrop[1530286]: warning: mail_queue_enter: create file maildrop/906249.1530286: Permission denied
May 9 15:35:11 mail postfix/postdrop[1551741]: warning: mail_queue_enter: create file maildrop/418249.1551741: Permission denied
@itsupport-engineer: these permissions are Linux permissions, and chmod is (AFAIRC!) the command to use. To check which those permissions are and how to fix them, just look at the zmfixperms file.