Date: Tue, 15 Jan 2008 08:48:32 -0500 From: John Almberg <jalmberg@identry.com> To: freebsd-questions@freebsd.org Subject: Re: No spam??? Message-ID: <360AB6AE-B3C1-4CA6-AFC1-378B48B3C6DF@identry.com> In-Reply-To: <200801150237.m0F2bqEg000116@banyan.cs.ait.ac.th> References: <87A9631B-EAC5-41B8-B4C2-001C3ADBA486@identry.com> <200801150237.m0F2bqEg000116@banyan.cs.ait.ac.th>
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I've been doing some more digging since my last post, and have figured out that the spam is not being blocked by pf, as I suspected (since it wasn't showing up in my spam folder), but by spamassassin blacklists. The smtp log file has lots of entries like: 2008-01-14 09:30:37.074087500 rblsmtpd: 123.20.89.67 pid 72121: 451 http://www.spamhaus.org/query/bl?ip=123.20.89.67 2008-01-14 09:31:05.271514500 rblsmtpd: 58.227.241.97 pid 72122: 451 Dynamic IP Addresses See: http://www.sorbs.net/lookup.shtml? 58.227.241.97 2008-01-14 09:31:17.404943500 rblsmtpd: 41.196.155.56 pid 72123: 451 http://www.spamhaus.org/query/bl?ip=41.196.155.56 2008-01-14 09:31:18.304682500 rblsmtpd: 123.20.89.67 pid 72124: 451 http://www.spamhaus.org/query/bl?ip=123.20.89.67 So raises the same point that Oliver makes: how trustworthy are these blacklists? -- John On Jan 14, 2008, at 9:37 PM, Olivier Nicole wrote: >> I know this is an odd thing to worry about, but is this normal? Since >> the spam doesn't even seem to be reaching spamd, I'm guessing that >> the real hero is pf, which must be blocking 99.99% of spam at the >> packet level. > > I don't know how you configured pf, but since I use the black list > fromhttp://www.sa-blacklist.stearns.org/sa-blacklist/sa- > blacklist.current.sendmail-access, > I reduced drastically the spam that reaches SpamAssassin. > > The key point with such black list is that you must trust the list, as > there is no place for false positive. > > Bests, > > Olivier > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions- > unsubscribe@freebsd.org" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Websites for On-line Collectible Dealers ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Identry, LLC John Almberg (631) 546-5079 jalmberg@identry.com www.identry.com ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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