Hello Roelof,

On Fri, 12 Sep 2008 13:18:47 +0200 your time, you said:

> Might be a configuration issue, when my brother used Outlook 11, his
> messages contained In-Reply-To, References and Thread-Index. These
> days he's using MSO 12 and he's still using the same headers.

Some confusion here I think. I don't think I made myself clear enough, sorry:

I did a search, and discovered that Microsoft have, in their infinite
wisdom, removed the Message-ID header from Outlook (a while back it seems)
supposedly due of 'security issues'. Of course that messes everything up.

So, this is my take on how this breaks threading:

1. (i)  A new email with a new 'subject' is sent from an Outlook client.
   (ii) Outlook does not add a message-ID: header to the email.

2. (i)  In The Bat! I receive the email and reply to the Outlook message
   (ii) The Bat! does not include an In-Reply-To: header because their is no
        message-ID in the email being replied to, so no References either.

3. (i)  The Outlook user then replies to MY reply
   (ii) Outlook DOES then add an In-Reply-To: header to their email reply

4. (i)  I receive their reply.
   (ii) The Bat! then threads the last two emails because it can find an
        In-Reply-To: reference.

5. (i)  I then reply again
   (ii) But this reply isn't threaded in TB! either because their is still no
        originator's message-ID in the Outlook reply, so The Bat! does not
        reference any of the the previous emails


And so forth, and so forth...

So, without Outlook providing and initial message-ID TB! won't thread the
messages. I can of course thread by References and subject and received time
and hope that the right messages are threaded together, but still...

-- 
Simon (Privateofcourse)
#1792. Arm Dress Wily Quo ¶
 
 
 TB! 4.0.34  WinXP Pro Service Pack 3






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