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From: Random832 <random832@fastmail.com>
Newsgroups: comp.lang.python
Subject: Re: Threading is foobared?
Date: Sun, 27 Mar 2016 02:25:41 -0400
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References: <56f74d00$0$1620$c3e8da3$5496439d@news.astraweb.com> <8560w8d2w3.fsf@benfinney.id.au>
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Xref: csiph.com comp.lang.python:105819

On Sat, Mar 26, 2016, at 23:18, Ben Finney wrote:
> What you've demonstrated is that at least one host is violating
> communication standards by altering existing reference fields on
> messages in transit.

The usenet gateway relays posts that originated on the mailing list to
usenet with their *Message-ID* replaced wholesale with
"<mailman.*.python-list@python.org>" - 90% of the time when I've traced
a broken thread this has been to blame, and I've complained at least
twice of this before, once not two weeks ago.