Am 16.05.2016 um 16:24 schrieb jdebert:
On Mon, 16 May 2016 12:25:10 +0100 Dominic Benson <domi...@lenny.cus.org> wrote:Accepting that not all ISPs are as helpful as they might be, I can'teasily think of a legitimate reason for needing the TTL on the PTR of a mail server to be small, so if a blacklist operator finds it an effective way to manage request volume then that doesn't seem unreasonable.Aren't short TTL's also indicative of load balancing and "cloud" systems? If this is truly the case it would seem a legitimate practice which makes blacklisting short TTL seems quite unreasonable
NOBODY is talking about BACKLIST short TTL it's all about de-listing when you got blacklisted for good reasons
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