afaik those are non-critical but I would like to fix it nontheless ... i get several of those blocks on a postfix restart /usr/sbin/postconf: warning: /etc/postfix/main.cf: unused parameter: virtual_maildir_limit_message="The user you are trying to reach is over quota." /usr/sbin/postconf: warning: /etc/postfix/main.cf: unused parameter: virtual_mailbox_limit_maps=proxy:mysql:/etc/postfix/mysql-virtual_mailbox_limit_maps.cf /usr/sbin/postconf: warning: /etc/postfix/main.cf: unused parameter: virtual_mailbox_limit_override=yes /usr/sbin/postconf: warning: /etc/postfix/main.cf: unused parameter: virtual_maildir_extended=yes /usr/sbin/postconf: warning: /etc/postfix/main.cf: unused parameter: virtual_overquota_bounce=yes /usr/sbin/postconf: warning: /etc/postfix/main.cf: unused parameter: virtual_create_maildirsize=yes /usr/sbin/postconf: warning: /etc/postfix/main.cf: unused parameter: smtp_bind_adress6=[ipv6 adress] /usr/sbin/postconf: warning: /etc/postfix/master.cf: unused parameter: smtpd_bind_address=127.0.0.1
whops .. didn't find the lines in the config the first time I was looking, but once again it was just me not looking good enough, found it now, thanks.