OT: Bounced Email

Kai Schaetzl maillists at conactive.com
Mon Apr 27 15:10:56 IST 2009

Drew Marshall wrote on Mon, 27 Apr 2009 13:43:34 +0100:

> I would love to but I'm not sure what has changed. I am using the same  
> Mac Mail app that I was in Feb (Although there might have been an  
> update to it that I have not recognised).

Actually, I suspect it's not your mail app. Have you told MS to remove some
headers or so? Or use some header-mangling milter? 
Check mail going thru your system from other clients (=programs).
Send thru another system. Compare the results.
I think your mail system is seriously broken, see below.

> The copy that I received had the following References header:
> References:  <49F49DFD.9070901 at openenterprise.ca>
> <49F4A8A7.9060109 at ecs.soton.ac.uk 
>  > <EMEW3|97d11d78e569a39a16dcaae78aa2e574l3PJWG0bMailScanner|ecs.soton.ac.uk|060109 at ecs.soton.ac.uk
>  > <20090426185257.2AC1F1702E at out-b.mx.mail-launder.com>
> Which looks ok to me

it's not ok. This last message-id simply does not exist at all!
And if it existed this would mean you reply to yourself!
*All* the message-ids you reference in the last postion or in In-Reply-To do not
exist! And that's the problem! And as they end with out-b.mx.mail-launder.com it's
rather your mail system doing this as I don't see how your local mail app should
be adding that unless you are writing the messages on that machine. I suspect that
all mail going thru it is broken in this way.

Moreover, your own messages are getting sent without a message-id, so that the 
mailing-list server has to add it. Which is very unusual and likely to be 
considered some spam score points worth on many SA installations.

As I already said, it looks like <whatever> is placing the correct new message-id
for that message in the wrong place and at the same time removes or doesn't add
the message-id there where it belongs.

Your headers are really very, very broken!

and should allow threading, certainly Mail has  
> not broken the thread at my end.

It surely has, you may just not notice it, because you are not that familiar with
how the thread should look like.


Kai Schätzl, Berlin, Germany
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