[Mailman-Users] strange attachment-behaviour when using headers

peter pilsl pilsl at goldfisch.at
Fri Apr 14 15:09:37 CEST 2006

I've a list that adds headers to all mails.

Now several user using Outlook and Bat report strange behavior with 
mails with attachments: The received mail then only contains the header 
and the original mailbody is only accessible as text-attachment.

user sends a mail to the list containing a message-body and a 
Users with Outlook and Bat  then gets the mail and only the list-added 
header in the mail. To read the original mail they need to click on the 
attached text-file.

When I look at the mail I see that all parts of the mail are 
mime-encoded and it seems that my thunderbird is smart enough to put 
them together while other mailers are not.

Is there any solution/explanation for this?

I found that while the mailman-header is 7bit-encoded, the original 
mailbody is 8bit encoded and different charsets are used. Can this be a 
problem of different charsets that cannot be handled by great Outlook 
and cool Bat ?

example (first is the header, second the original mail)


This is a multi-part message in MIME format.

Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit

erweiterte Liste

Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: 8bit

Hallo noch mal!

Los gehts :-)
Anbei schick ich euch ein Dokument, wo ich einige Überlegungen zum Thema PR
zusammengeschrieben habe, u.a. die Definition der Zielgruppen aus meiner
Sicht mit den Ergänzungen von Stefan und Max und die nächsten Schritte.



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