Date: Mon, 10 Dec 2001 00:02:00 -0800 From: Javier Henderson <javier@KJSL.COM> To: Leif Neland <leifn@neland.dk> Cc: Javier Henderson <javier@KJSL.COM>, <freebsd-isp@FreeBSD.ORG> Subject: Re: RBL's and tagging email with sendmail Message-ID: <15380.27640.83264.112194@grumman.kjsl.com> In-Reply-To: <20011210005404.K52959-100000@arnold.neland.dk> References: <15375.40652.719713.111631@grumman.kjsl.com> <20011210005404.K52959-100000@arnold.neland.dk>
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Leif Neland writes: > > > > I've had mixed luck with using the various RBL's out there. The rate > > of false positives can be high sometimes, resulting in too many > > legitimate messages being bounced. > > What do you mean by false positives? > > A: Blocking on servers which aren't open relays anymore? educate the > admins to report to the dnsbl when they have fixed their open relays. > > B: Blocking on mail which is not spam, but from servers which are open > relays? Educate the admins, because they WILL be abused someday, even if > they haven't yet. Or if this doesn't help, the users will eventually move > to a responsible ISP, making inresponsible ISP's to go out of business. All fine points, but false positives still happen and I'd rather not miss user's email, so tagging rather than outright rejecting is preferrable, at least for me. If you have any ideas as far as how to implement the tagging, I'd love to hear them. -jav To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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