On the log browser the mail log say
DE21C61E0D: DMARC: smtpdomain= maildomain=peopleinside.it
[email protected] stamp=1684483859 ip=unknown adkim=relaxed aspf=relaxed p=REJECT sp=REJECT pct=100 align_dkim=fail align_spf=fail spfres=unknown dkimres=unknown...