comcast ipv6 PTR

Paul Ferguson fergdawgster at mykolab.com
Wed Oct 9 17:36:31 UTC 2013


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On 10/9/2013 10:08 AM, Chris Adams wrote:

> Once upon a time, Paul Ferguson<fergdawgster at mykolab.com>  said:
>> >That's not necessarily true -- some (very large) organizations using
>> >DMARC will reject mail from hosts without a PTR record.

> And that's a good reason to have reverse records for you mail servers.

Indeed. :-)

> Auto-generated reverse really shouldn't be trusted for anything.

True. :-)

- - ferg

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-- 
Paul Ferguson
Vice President, Threat Intelligence
Internet Identity, Tacoma, Washington  USA
IID --> "Connect and Collaborate" --> www.internetidentity.com




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