[Mailman-Users] Reply to a message does not appear related to original message
bruno at postle.net
Tue Jul 24 21:01:03 CEST 2001
On Tue 24-Jul-2001 at 03:03:14PM +0100, Sebastian Beck wrote:
> I recognize a problem that maybe has more to do with my e-mail
> software than with Mailman. But at least with the harmony between
> them: When I reply to a message, my reply does not appear indent under
> the original message when choosing view by thread. (I use a
> Hotmail account.)
> Other members of this list seem to have the same problem, looking at
> the posts before mine I see: The three posts: [Mailman-Users] Mandrake
from Enriko Groen, Satheesh Babu and Enriko Groen also do not
> appear indent under the original post (by Satheesh Babu)
Threaded mail readers like pipermail use 'References:' or 'In-Reply-To:'
headers in the email to figure out the threads, not 'Subject:'. This is
why you can change the subject of a thread when replying and it doesn't
Most mail-clients (including Outlook) create these 'References:' headers
in outgoing mail even when they don't use them displaying mailboxes.
Often the problem is caused by over-zealous mailservers stripping mail
headers before they get anywhere near Mailman (Exchange is your likely
culprit here). Possibly Hotmail and other web-mail services fail to
generate them in the first place.
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