MSFT reverse IP failure?

Ken Chase math at
Mon Feb 26 21:31:00 UTC 2018

Having a client doing a test from the MSFT exchange tools site, which is failing.

NOQUEUE: reject: RCPT from unknown[]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [];

NetRange: -
CIDR: ,,
NetName:        MSFT

A bit of an oversight?

Ken Chase - math at Guelph Canada

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