On 21 Jun 2015, at 10:33, Jered Floyd wrote:

Richard,

The BRBL may have listed the entire /24 that includes your sending IPs. Painful experience has shown that Barracuda won't hear your requests for
delisting, and the listing may never go away.

I believe you've got it in one. I heard back from a colleague on the same /24 (though not the same address!) and he had a client with a bad WordPress install that was generating spam.

That seems to make this EmailReg situation even more egregious -- if they're really blocking whole networks based on a single IP then it really is a protection scheme operated (opaquely) by Barracuda. "Pay us money if you want mail to get through to our customers; we'll blacklist you arbitrarily otherwise." How can this possibly be legal under US racketeering laws?


I'm not defending Barracuda specifically, as I have long believed them to be an opportunistic, ethics-free, low-quality organization selling overpriced garbage to people too desperately clueless to know better...

However, even carelessly run blacklists of IPs for email have been protected in US courts by 2 things:

1. Blacklist operators are not doing any actual blocking, their users are. Senders on "collateral damage" IPs are free to appeal to the actual sites rejecting their mail for exceptions and any competently-administered site will be able to do so. Any DNSBL operator is akin to a movie reviewer: they don't directly control anyone's behavior, they merely influence those who choose to pay them heed.

2. Virtually every US law explicitly touching Internet filtering (COPPA, COPPA2, CAN-SPAM, etc.) has included some "safe haven" provision for those implementing and using filtering tools in good faith. The interpretation of what constitutes "good faith" has been extremely broad, essentially meaning that if Barracuda has a theory that listing innocents in the vicinity of spammers helps avoid future spam, they don't need to actually have evidence of its validity or weight any tangible damage against theoretical benefit.

The flipside of this de facto immunity is that you are free to point out to those who reject your mail due to Barracuda's shoddy advice that Barracuda gives shoddy advice for which they do not deserve much attention or any money.

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