[Vm-dev] [list] Cannot receive plain-text messages

Marcel Taeumel marcel.taeumel at hpi.de
Wed May 4 14:30:25 UTC 2022

Hi Christoph --

My best guess is that for most content, there is only ...

Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64

But for HTML content, that base64 portion is still there but empty and
a "multipart/7bit" thingy is appended:

Content-Type: multipart/alternative;
boundary="--==_mimepart_6270e81cedff8_504bd4087255e8"; charset="UTF-8"
Content-Transfer-Encoding: 7bit

Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit


Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: 7bit


Hmm.... on squeak-dev, Chris' mail about "source.squeak.org upgrade" was

Content-Type: multipart/mixed;

And used "base64" and "quoted-printable" for plain/text and html/text respectively.
That version seems to work on OWA as well.

Well ... one could look at the vm-dev configuration in mailman to figure out when

Content-Type: multipart/mixed;

is claimed but the main portion is

Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Content-Disposition: inline


... and thus empty. Yet, a clever e-mail client can figure this out es well. OWA cannot. :-)

Am 04.05.2022 15:58:12 schrieb Thiede, Christoph <christoph.thiede at student.hpi.uni-potsdam.de>:

Hi all,

while I have subscribed to squeak-dev for a longer time, I only subscribed recently to vm-dev. Unfortunately, I cannot view most messages in my e-mail client - I only see an attachment of the HTML file. It appears as if the plaintext version of the message
is missing and the HTML version is classified incorrectly. This does not regard messages from the OSVM bot (GitHub) only but also normal messages sent by Eliot, Marcel, et al. - but at the same time, the messages sent by the same person to squeak-dev look
fine on my end.

In other mailing clients (and in Squeak Inbox Talk), everything looks fine, but I do not want to switch away from OWA. In the message headers, I could not find any interesting difference. My subscription settings for both lists are identical. I also noted
that the pipermail archives do not look identical, but this is probably unrelated.

Any ideas on what might cause this, and any chance to fix this in the mailing list configuration/servers?

Thanks in advance,


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