Hello,
i'm trying to send automated reports from HPE ILO from my servers.
i see this in the maillog files.
any idea to whitelist this address ?

Mar 16 13:31:31 mail postfix/postscreen[4677]: CONNECT from [192.168.xxx.xxx]:57195 to [192.168.xxx.xxx]:25
Mar 16 13:31:31 mail postfix/postscreen[4677]: WHITELISTED [192.168.xxx.xxx]:57195
Mar 16 13:31:31 mail postfix/smtpd[5201]: connect from unknown[192.168.xxx.xxx]
Mar 16 13:31:31 mail postfix/smtpd[5201]: NOQUEUE: reject: RCPT from unknown[192.168.xxx.xxx]: 550 5.1.0 <ILOCZ3807LF6E.@mydomain.it>: Sender address rejected: User unknown in virtual mailbox table; from=<ILOCZ3807LF6E.@mydoamin.it> to=<tecnico@mydomain.it> proto=SMTP helo=<fe80::9618:82ff:fe63:a0fe>
Mar 16 13:31:31 mail postfix/smtpd[5201]: warning: non-SMTP command from unknown[192.168.xxx.xxx]: MIME-Version: 1.0
Mar 16 13:31:31 mail postfix/smtpd[5201]: disconnect from unknown[192.168.xxx.xxx]

==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 1.4.0
- Deployed with iRedMail Easy or the downloadable installer? download
- Linux/BSD distribution name and version: centos 7
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): mysql
- Web server (Apache or Nginx): apache
- Manage mail accounts with iRedAdmin-Pro? yes
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====