I changed sasl_passwd to sasl_passwd.db and now I have a new issue
Dec 15 16:05:44 50 postfix/smtp[26381]: fatal: open database /etc/postfix/sasl_passwd.db: Invalid argument
Dec 15 16:05:45 50 postfix/master[17614]: warning: process /usr/libexec/postfix/smtp pid 26381 exit status 1
Dec 15 16:05:45 50 postfix/master[17614]: warning: /usr/libexec/postfix/smtp: bad command startup – throttling
Dec 15 16:06:02 50 postfix/pickup[24769]: 5BF126C1E01: uid=498 from=
Dec 15 16:06:02 50 postfix/cleanup[26446]: 5BF126C1E01: message-id=20161215220602.5BF126C1E01@Y
Dec 15 16:06:02 50 postfix/qmgr[20199]: 5BF126C1E01: from=[email protected], size=471, nrcpt=1 (queue active)