MS sending out mail with no rdns?

Jun 10 09:20:20 cust-mta01 postfix/smtpd[8137]: NOQUEUE: reject: RCPT from unknown[40.92.62.80]: 554 5.7.1 Client host rejected: cannot find your reverse hostname, [40.92.62.80]; from=<x...@outlook.com> to=<x@xxxxxx> proto=ESMTP helo=<AUS01-SY4-obe.outbound.protection.outlook.com>

$ host 40.92.62.80
Host 80.62.92.40.in-addr.arpa. not found: 3(NXDOMAIN)

Michael, any chance you can get this sorted?

--
Regards,
Noel Butler

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