RBL blocking emails by mistake?

Jeff A. Earickson jaearick at
Thu Sep 7 21:15:49 IST 2006

On Thu, 7 Sep 2006, Rob Morin wrote:

> Date: Thu, 07 Sep 2006 15:47:31 -0400
> From: Rob Morin <rob at>
> Reply-To: MailScanner discussion <mailscanner at>
> To: MailScanner discussion <mailscanner at>
> Subject: RBL blocking emails by mistake?
> Is it possible to get a false positive back from's RBL ?
> I have been getting some complaints about spam being deleted, because it is 
> seen as being on spamcop.nets list, so it gets a score of 10 and gets 
> deleted....
> here is an entry in my log file...
> Sep  7 03:36:57 peter MailScanner[15870]: RBL checks: 2380E69001E.DFE12 found 
> in
> Sep  7 03:36:58 peter MailScanner[15870]: Message 2380E69001E.DFE12 from 
> (team4ss at to is spam,, 
> SpamAssassin (score=8.638, required 4, HTML_MESSAGE 0.00, 
> Sep  7 03:37:00 peter MailScanner[15870]: Spam Actions: message 
> 2380E69001E.DFE12 actions are delete
> I checked the IP and it was not listed. Is it possible to be listed at 7AM 
> and then removed at 10AM? Plus its a account/IP
> Any ideas?

I gave up on spamcop both as an RBL and within the MS lists at the
nearly a year ago.  The were overly aggressive and their webpages
giving info on why a site was blocked got murky.

Jeff Earickson
Colby College

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