Date: 30 Apr 2007 16:47:34 -0000 From: John Levine <johnl@iecc.com> To: freebsd-questions@freebsd.org Subject: Re: Greylisting -- Was: Anti Spam Message-ID: <20070430164734.87874.qmail@simone.iecc.com> In-Reply-To: <20070430101939.GA14266@epia-2.farid-hajji.net>
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>Cellular operators know that their clients expect speedy >delivery of SMS, including those sent via SMTP. Actually, in my experience SMTP to SMS gateways can have significant delays unrelated to greylisting. Travel agencies like Orbitz send out notices about flight changes and delays via SMTP->SMS and as often as not I only get the notice when I turn my phone back on after the delayed flight has landed. >Have you confirmed with your cellular operator that they don't offer >additional gateways; e.g. based on ICQ, HTTP and whatnot? There are third party services that do this. For example, clickatell.com offers a HTTP POST to SMS gateway quite cheaply, about 10 cents a message at low volumes. Having been dealing with spam for over a decade, I cannot tell you how tired I am of people whining that the world better not implement some effective anti-abuse technique because it would cause them a minor inconvenience due to their particular uncommon setup. Spam sucks. Deal with it. R's, John
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