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MSFT reverse IP failure?
- Subject: MSFT reverse IP failure?
- From: math at sizone.org (Ken Chase)
- Date: Mon, 26 Feb 2018 16:31:00 -0500
Having a client doing a test from the MSFT exchange tools site, which is failing.
NOQUEUE: reject: RCPT from unknown[13.67.59.89]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [13.67.59.89];
NetRange: 13.64.0.0 - 13.107.255.255
CIDR: 13.96.0.0/13, 13.104.0.0/14, 13.64.0.0/11
NetName: MSFT
A bit of an oversight?
/kc
--
Ken Chase - math at sizone.org Guelph Canada