First: Sorry for my bad english. I'm not a native english-speaker, so
please ignore my mistakes. :o)

I'm running some lists with the NNTP-gateway enabled both ways. I've
noticed that when mailman posts to the newsgroup, it changes the
Message-Id. Or, I guess it's mailman and not INN. This generates
problems with threading, since one message got two message ids.

An example:

[EMAIL PROTECTED] both posts and collects messages from local.test
at the news-server news.example.com. John and Anne are both subscribed
to the list and Peter prefers to use the news-server.

John posts a message to the list with subject "Hello". John's client
generates the message id <[EMAIL PROTECTED]> for that mail.
Mailman will now forward that message correctly to Anne, with the right
message id. But when Peter reads the message at the news-server, he will
see the message id <[EMAIL PROTECTED]>.

So far, everything looks fine for the users. But now Anne wants to make
a reply to John's post and posts a message to the list with subject "Re:
Hello". This message has the In-Reply-To-header
"<[EMAIL PROTECTED]>", since this is the message id on the mail
she recieved. Peter, who are still using NNTP, will not be able to find
the message <[EMAIL PROTECTED]>, since it has been renamed to
<[EMAIL PROTECTED]> on the news-server. Peter's
newsreader will then create a new thread for the reply.


Are there any way I can let all the users of my lists recieve the same
message ids, so my news-reading users will be able to get the threads
right?

Thak you in advance.

-- 
Senilix - Simen E. Sandberg |      Join the (r)evolution!
http://www.senilix.net/     |            www.nlc.no
senilixágallerbyen.net, á=@ | Workplace: http://www.hvam.vgs.no/


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