Ant:
>On 6/30/2014 4:58 AM PT, Hartmut Figge typed:

>> In the case of news.mozilla.org the behavior is not unreasonable. There
>> is a gateway between the news server and the mailing lists, and to
>> cancel a mail is impossible. *g*
>
>Ah. So it never worked as intended in the past world-wide? :(

Cancels in general on other news servers? Even if a cancel is accepted
and propagated to other news servers, you can never be sure, that others
can not see the cancelled message.

The user may have a local news server which may have received the
message before it was cancelled. Then there are news server which
require Cancel-Lock & Cancel-Key for an allowed cancel.

You may use a news server which does not require them, so you do not
need them for a cancel on that news server. But other news server,
requiring them, will not accept the cancel.

So you may end up with a successful cancel on your own news server while
the posting can still be read via other news server. :)

Hartmut
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