Date: Wed, 19 Feb 2014 03:18:34 -0800 From: Darren Pilgrim <list_freebsd@bluerosetech.com> To: mark.tinka@seacom.mu, freebsd-questions@freebsd.org Cc: Arthur Chance <freebsd@qeng-ho.org> Subject: Re: Reverse DNS question Message-ID: <5304930A.6080004@bluerosetech.com> In-Reply-To: <201402191119.02667.mark.tinka@seacom.mu> References: <20140218180620.0807880cf0dd661482e394b9@3dresearch.com> <5303F01C.3030205@bluerosetech.com> <53047301.4050201@qeng-ho.org> <201402191119.02667.mark.tinka@seacom.mu>
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On 2/19/2014 1:19 AM, Mark Tinka wrote: > On Wednesday, February 19, 2014 11:01:53 AM Arthur Chance > wrote: > >> Slightly changing the topic, does anyone have any idea >> how IPv6 is going to affect use of RDNS for spam >> prevention? Given that machines will often have multiple >> addresses, do we have to bolt down our MTAs to using >> specific publicly visible addresses, or is RDNS just >> going to get dropped. I don't have an IPv6 system to >> play with yet. > > From a spam prevention perspective, nothing changes, > operationally. > > My expectation is that mail server operators will require > similar checks in IPv6. Google has made IPv6 RDNS effectively mandatory for communicating with gmail servers.
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