wie...@porcupine.org (Wietse Venema) wrote:
LuKreme:
On 05 Feb 2015, at 05:07 , Wietse Venema <wie...@porcupine.org> wrote:
Have you considered the possibility that the mail was sent with a
bogus Delivered-To: header (i.e. the header is present, but not
added by Postfix).
Yes, but I'm unsure how to diagnose that.
header_checks:
/^Delivered-To: bob@covisp\.net$/ hold

Here is a full dump of one of these files (with only the user name munged)

<https://www.dropbox.com/s/mvdg1f48fo640g3/768FC212C05.txt?dl=0>
We already know that the message loops because the Delivered-To: header
is present.

Here are the first few headers of the message before delivery:

Return-Path: <ros...@approvednowauto.com>
Received: from approvednowauto.com (unknown [170.130.246.204])
         by mail.covisp.net (Postfix) with ESMTP id D3F1A212C03
         for <b...@covisp.net>; Thu,  5 Feb 2015 14:58:19 -0700 (MST)
Delivered-To: b...@covisp.net

I suggest that you have a look at the other ones. If none of the
other Received: headers belongs to your systems, then they added
"Delivered-To: b...@covisp.net" before sending the message to your
systems.

        Wietse

I also noticed a List_Unsubscribe header buried in there - might want to look at whatever is doing list expansion.

Miles Fidelman

--
In theory, there is no difference between theory and practice.
In practice, there is.   .... Yogi Berra

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