errors in ubuntu 18 install on digital oceans

[911pcdoc]

from /etc/postfix/master.cf

[...]

submission inet n - y - - smtpd

-o syslog_name=postfix/submission -o smtpd_tls_security_level=encrypt -o smtpd_sasl_auth_enable=yes ^M -o smtpd_client_restrictions=permit_sasl_authenticated,reject

-o smtpd_reject_unlisted_recipient=no

-o smtpd_client_restrictions=$mua_client_restrictions

-o smtpd_helo_restrictions=$mua_helo_restrictions

-o smtpd_sender_restrictions=$mua_sender_restrictions

-o smtpd_recipient_restrictions=permit_sasl_authenticated,reject

-o milter_macro_daemon_name=ORIGINATING

smtps inet n - y - - smtpd

-o syslog_name=postfix/smtps -o smtpd_tls_wrappermode=yes -o smtpd_sasl_auth_enable=yes ^M -o smtpd_client_restrictions=permit_sasl_authenticated,reject

-o smtpd_reject_unlisted_recipient=no

-o smtpd_client_restrictions=$mua_client_restrictions

-o smtpd_helo_restrictions=$mua_helo_restrictions

-o smtpd_sender_restrictions=$mua_sender_restrictions

-o smtpd_recipient_restrictions=permit_sasl_authenticated,reject

-o milter_macro_daemon_name=ORIGINATING

[...]

and it should be [...] submission inet n - y - - smtpd -o syslog_name=postfix/submission -o smtpd_tls_security_level=encrypt -o smtpd_sasl_auth_enable=yes -o smtpd_client_restrictions=permit_sasl_authenticated,reject

-o smtpd_reject_unlisted_recipient=no

-o smtpd_client_restrictions=$mua_client_restrictions

-o smtpd_helo_restrictions=$mua_helo_restrictions

-o smtpd_sender_restrictions=$mua_sender_restrictions

-o smtpd_recipient_restrictions=permit_sasl_authenticated,reject

-o milter_macro_daemon_name=ORIGINATING

smtps inet n - y - - smtpd -o syslog_name=postfix/smtps -o smtpd_tls_wrappermode=yes -o smtpd_sasl_auth_enable=yes -o smtpd_client_restrictions=permit_sasl_authenticated,reject

-o smtpd_reject_unlisted_recipient=no

-o smtpd_client_restrictions=$mua_client_restrictions

-o smtpd_helo_restrictions=$mua_helo_restrictions

-o smtpd_sender_restrictions=$mua_sender_restrictions

-o smtpd_recipient_restrictions=permit_sasl_authenticated,reject

-o milter_macro_daemon_name=ORIGINATING

[...]