Merit Network
Can't find what you're looking for? Search the Mail Archives.
  About Merit   Services   Network   Resources & Support   Network Research   News   Events   Home

Discussion Communities: Merit Network Email List Archives

North American Network Operators Group

Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

Re: ( /24) blocked by for SMTP

  • From: Suresh Ramasubramanian
  • Date: Mon Sep 26 00:09:58 2005
  • Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=beta;; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=YXBiWXe49joAAHRNnzEXwL3PbDB7v7k3R8mnvc70rarLDAGEGCqcv1JH+fhD4AB/Sos10kn6mBf6Z9hgrvXau8hPrqta2hqcuVGwN/VKLem6pq0DVr0ffKRUiqwWp1JFHxZRsk1dzY0orNVUmA/6TckxRULkB1/oE7oyTOrPN9A=

On 26/09/05, Sean Figgins <> wrote:
> And if the customer specifically requests that YOU do not filter his
> email, or set up a system that allows him to see ALL email, even if ti is
> tagged as spam?

sell the customer a colo box or a virtual private server and have him
do whatever he wants with it

commodity / customer mailserver operations do involve filtering

> provider, and they may all be very true, but it does not change the truth
> that a single false positive can ruin a business.

If you filter spam, return clear bounce messages that show why the
filtering was done. Ideally return a url in the bounce message that
links to a clear explanation + tells you what to do about it.   And a
response mechanism to handle false positive reports, that addresses
these ASAP.

Just for example (and never mind the content .. is a generic
address thats inserted in most blocklists) -

Bad spam filtering is what gives all filtering a bad name ... what I
would call the Wile E Coyote school of spam filtering.  Like a trained
mining engineer can use a fused bundle of dynamite to blow a hole in a
rock - he'll blow up just what he wants to blow up, nothing else. 
Give Wile E Coyote that dynamite and ask him to blow up the roadrunner
.. you know what happens next.


Discussion Communities

About Merit | Services | Network | Resources & Support | Network Research
News | Events | Contact | Site Map | Merit Network Home

Merit Network, Inc.