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Re: The anti-abuse rDNS check that FTP gave up

2011-10-05 13:34:34

On Oct 5, 2011, at 1:49 PM, Alessandro Vesely wrote:

IMO, any time you're basing an abuse test on something that is
fundamentally irrelevant, it's of short-term value at best.  rDNS
is such a check.

The most relevant obstacle seems to be caused by uncooperative network
providers that don't set PTR RRs.

how about the uncooperative spam filters that reject legitimate mail for no 
good reason, like this one?