Hey i Freak out with my Server xD I Run yesterday mysqltuner i dont know if that cause my error Reconfigure Services not help Code: Oct 29 17:04:46 mail amavis[1824]: (01824-06) (!!)TROUBLE in process_request: connect_to_sql: unable to connect to any dataset at (eval 110) line 253. Code: Oct 29 17:26:35 mail postfix/smtpd[8077]: warning: connect to mysql server 127.0.0.1: Host '127.0.0.1' is not allowed to connect to this MariaDB server Oct 29 17:26:35 mail postfix/smtpd[8077]: warning: mysql:/etc/postfix/mysql-virtual_client.cf lookup error for "mail-ot1-f50.google.com" Oct 29 17:26:35 mail postfix/smtpd[8077]: NOQUEUE: reject: RCPT from mail-ot1-f50.google.com[209.85.210.50]: 451 4.3.5 <mail-ot1-f50.google.com[209.85.210.50]>: Client host rejected: Server configuration error; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<mail-ot1-f50.google.com> Code: SMTP Fehler (451): Der Empfänger "[email protected]" konnte nicht gesetzt werden (4.3.5 <localhost.localdomain[127.0.0.1]>: Client host rejected: Server configuration error).
It is safe to use them, but their suggestion to turn off resolving is not good or at least they should explain that you won't be able to connect from localhost or any other hostname anymore to mysql when you do that, only logins from IP addresses are allowed then.
