Обновил postfix на Ubuntu-server. Среди прочего вылезли
sudo service postfix restart
* Stopping Postfix Mail Transport Agent postfix
/usr/sbin/postconf: warning: /etc/postfix/main.cf: unused parameter: smtpd_sasl_authenticated_headers=yes
[ OK ]
* Starting Postfix Mail Transport Agent postfix postconf: warning: /etc/postfix/main.cf: unused parameter: smtpd_sasl_authenticated_headers=yes
postconf: warning: /etc/postfix/main.cf: unused parameter: smtpd_sasl_authenticated_headers=yes
/usr/sbin/postconf: warning: /etc/postfix/main.cf: unused parameter: smtpd_sasl_authenticated_headers=yes
