type=AVC msg=audit(1516179395.404:129): avc:  denied  { read } for  pid=1414 comm="config" name="cert.pem" dev="dm-0" ino=50696551 scontext=system_u:system_r:dovecot_t:s0 tcontext=unconfined_u:object_r:postfix_etc_t:s0 tclass=file
type=AVC msg=audit(1516179395.404:129): avc:  denied  { open } for  pid=1414 comm="config" path="/etc/postfix/certs/cert.pem" dev="dm-0" ino=50696551 scontext=system_u:system_r:dovecot_t:s0 tcontext=unconfined_u:object_r:postfix_etc_t:s0 tclass=file

/var/www/html/postfixadmin/config.local.php
$CONF[‘domain_in_mailbox’] = ‘NO’;