I found this entry in my maillog:
Problem is, email was delivered, not blocked. How can i do to block files that ESET vired as infected?Jul 13 03:15:55 mailout01 MailScanner[51365]: New Batch: Scanning 1 messages, 342451 bytes
Jul 13 03:15:55 mailout01 MailScanner[51365]: Virus and Content Scanning: Starting
Jul 13 03:16:01 mailout01 MailScanner[51365]: Esets::INFECTED::Win32/Exploit.CVE-2017-11882.F
Jul 13 03:16:01 mailout01 MailScanner[51365]: Virus Scanning: esetsefs found 1 infections
Jul 13 03:16:01 mailout01 MailScanner[51365]: Infected message 4LjJ7B56M3zB5qvH.message came from
Jul 13 03:16:01 mailout01 MailScanner[51365]: Virus Scanning: Found 1 viruses
Jul 13 03:16:01 mailout01 MailScanner[51365]: <A> tag found in message 4LjJ7B56M3zB5qvH from shipment.info@one-line.com
Jul 13 03:16:01 mailout01 MailScanner[51365]: Spam Checks: Starting
Jul 13 03:16:06 mailout01 MailScanner[51365]: Requeue: 4LjJ7B56M3zB5qvH to 4LjJ7B56M3zB5qvH
Jul 13 03:16:06 mailout01 postfix/qmqpd[52744]: connect from localhost[127.0.0.1]
Jul 13 03:16:06 mailout01 postfix/qmqpd[52744]: 4LjJ7V3lrbzB5qvJ: client=localhost[127.0.0.1]
Jul 13 03:16:06 mailout01 opendmarc[3104]: ignoring connection from localhost
Jul 13 03:16:06 mailout01 postfix/cleanup[52720]: 4LjJ7V3lrbzB5qvJ: message-id=<20220713021122.DB7427BA0F81069B@one-line.com>
Jul 13 03:16:06 mailout01 opendkim[3100]: 4LjJ7V3lrbzB5qvJ: no signature data
Jul 13 03:16:06 mailout01 postfix/qmqpd[52744]: disconnect from localhost[127.0.0.1]
Jul 13 03:16:06 mailout01 postfix/qmgr[2450]: 4LjJ7V3lrbzB5qvJ: from=<shipment.info@one-line.com>, size=342508, nrcpt=1 (queue active)
Jul 13 03:16:06 mailout01 MailScanner[51365]: Uninfected: Delivered 1 messages
Jul 13 03:16:06 mailout01 MailScanner[51365]: Deleted 1 messages from processing-database
Jul 13 03:16:06 mailout01 MailScanner[51365]: MailWatch: Logging message 4LjJ7B56M3zB5qvH to SQL
Jul 13 03:16:06 mailout01 MailScanner[51368]: MailWatch: 4LjJ7B56M3zB5qvH: Logged to MailWatch SQL
Thank you