Postfix unsupported dictionary type: thesql

postfixubuntu-16.04

Basically I follow this tutorial:
https://www.linode.com/docs/email/postfix/email-with-postfix-dovecot-and-mysql

My problems strated with first test Postfix.

postconf -m 

postconf: warning: /etc/postfix/dynamicmaps.cf: file is owned or writable by non-root users -- skipping this file
btree
cidr
environ
fail
hash
inline
internal
memcache
nis
pipemap
proxy
randmap
regexp
socketmap
static
tcp
texthash
unionmap
unix

It's look like i forgot install postfix-mysql but when i try again install i get:

postfix-mysql is already the newest version (3.1.0-3).

postmap -q example.com mysql:/etc/postfix/mysql-virtual-mailbox-domains.cf

postmap: warning: /etc/postfix/dynamicmaps.cf: file is owned or writable by non-root users -- skipping this file
postmap: fatal: unsupported dictionary type: mysql

All files .cf look like in tutorial. For mysql-* config files i set owner and group "postfix".

Any idea?

Edit:

In my case i have installed postfix-mysql.

Best Answer

Ok after many hours spending time on this issue i finally found resolve:

Postfix trying read file :/etc/postfix/dynamicmaps.cf and can't, becouse have wrong permissions. I set new owners and modification permission resolve my problem. 

chown root.root /etc/postfix/dynamicmaps.cf
chmod 640 /etc/postfix/dynamicmaps.cf

Maybe this answer will help somebody else.

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