Smtp returning errors

Hello i configurated the smtp like the steps of this link:

But now it’s returning me these errors: Nov 13 09:46:27 apoyo postfix/smtp[4944]: error: open database /etc/postfix/tls_policy.db: No such file or directory Nov 13 09:46:28 apoyo postfix/smtp[4944]: warning: hash:/etc/postfix/tls_policy is unavailable. open database /etc/postfix/tls_policy.db: No such file or directory Nov 13 09:46:28 apoyo postfix/smtp[4944]: warning: hash:/etc/postfix/tls_policy lookup error for “[smtp.gmail.com]:587” Nov 13 09:46:28 apoyo postfix/smtp[4944]: warning: smtp_tls_policy_maps, next-hop destination “[smtp.gmail.com]:587”: policy table lookup error Nov 13 09:46:28 apoyo postfix/qmgr[4920]: warning: private/smtp socket: malformed response Nov 13 09:46:28 apoyo postfix/qmgr[4920]: warning: transport smtp failure – see a previous warning/fatal/panic logfile record for the problem description Nov 13 09:46:28 apoyo postfix/master[4916]: warning: process /usr/lib/postfix/smtp pid 4944 killed by signal 11 Nov 13 09:46:28 apoyo postfix/master[4916]: warning: /usr/lib/postfix/smtp: bad command startup – throttling Nov 13 09:46:28 apoyo postfix/error[4945]: 82D921A223E6: to=[email protected], relay=none, delay=35, delays=35/0.07/0/0.18, dsn=4.3.0, status=deferred (unknown mail transport error) Nov 13 09:46:29 apoyo postfix/smtpd[4931]: disconnect from

it’s some way to fix this issue?