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(May 2002)
 

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Subject: Re: large ISPs blocking mailing lists
From: Jeffrey Goldberg <jeffrey @ goldmark . org>
Date: Thu, 16 May 2002 14:13:35 -0700 (PDT)
To: List Managers Mailing list <list-managers @ greatcircle . com>
In-reply-to: <200205161442.g4GEgre08152@mail.rev.net>
Reply-to: Jeffrey Goldberg <jeffrey @ goldmark . org>

On Thu, 16 May 2002, Bernie Cosell wrote:

> Meta question [...]

> I was wondering if any of you have run across an ISP with enough of a
> clue to [IMO] 'get it right' and leave postmaster open so that there's a
> peephole through which the problem/misunderstanding/whatever can be
> worked out?  I haven't....

While not an "ISP", I can tell you that Cranfield.ac.uk leaves open mail
to postmaster and to abuse from blocked sites.  See Cranfield's site
blocking policy statement

 http://www.cranfield.ac.uk/ccc/email/siteblocking.html

And the specificaly in the "what to do if you are an effected legitimate
user" section:

 Email from most blocked sites may may still be sent to
 postmaster@Cranfield.ac.uk or Abuse@Cranfield.ac.uk. Please do not ask
 the email managers at Cranfield to forward a message to a user at
 Cranfield except to inform particular users that mail from your site is
 blocked. It is not part of their jobs to get into the business of
 forwarding such email.

I believe that that is faily common practice among sites running exim,
since the documentation for configuring exim explicitly includes examples
of doing that.

> All true, but often the subscriber can't figure out what's wrong, the
> ISPs virtually NEVER tell their customers what they've done, and it is
> left as a big mystery to figure out what's going on [with the added
> fillip that you can't email the customer [or the ISP] to explain/probe].

The Cranfield siteblocking policy was publically announced when it was put
into place (an excerpt went into a widely circulated dead trees
newsletter). It took substantial backbone to defend a policy which by its
own admission would cost users some legitimate mail, but was done because
it was the right thing to do.

-j

-- 
Jeffrey Goldberg                            http://www.goldmark.org/jeff/
Relativism is the triumph of authority over truth, convention over justice




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