[Mailman-Users] HTML content from GMX gets scrubbed in archive

Peter Wetz wetz.peter at gmail.com
Tue Oct 7 09:58:23 CEST 2014

Thanks for your help. I remember reading about this configuration somewhere
else on this list already and I already tried it to no avail.

of course, i tried it again now, and still, it doesn't work...

this is a screenshot of the configuration, as recommended by you:
for "collapse_alternatives" i tried both, yes and no.
i have some other mime types in "pass_mime_types", however, i think they
should do no harm?
the "pass_filename_extensions" and "filter_mime_types" are definitely
empty. i selected the text-boxes did a "mark all" and "delete" just to be
100% sure.

this is how it looks like in the archive. it is empty:

this is the message header source of the mail as received by list
subscribers: http://pastebin.com/fM0rREKd
it only contains the footer.

i don't know what's my issue here, since I exactly followed your proposed
steps. i'd be glad if you could help.

do you think there could be some inconsistency between the actual
config-files and what is showin in the text boxes? for instance, it could
be the case that the parameters "pass_filename_extensions" and
"filter_mime_types" are not empty in the config files themselves? since i
dont have direct access to these files, i'd need to contact the admin. but
i am not sure, if that's even a possibility.


On Tue, Oct 7, 2014 at 4:14 AM, Mark Sapiro <mark at msapiro.net> wrote:

> On 10/06/2014 04:20 AM, Peter Wetz wrote:
> >     So the answer to your simple question is simply "you can't".
> >
> >
> > maybe my use of "how can html-mails be properly displayed" was
> > misleading. i dont want any html formatting to be preserved. i simply
> > want an html mail be converted to plain text and then get shown in the
> > archive without any scrubbed attachments. is that possible?
> >
> > i think that my problem is more specific: when i write an HTML mail from
> > gmail to my list, it gets archived properly, i.e., i can see the html as
> > plain text. all is fine. however, when I sent an html mail via the web
> > interface of the popular freemail gmx, the message's html get scrubbed
> > as an attachment and nothing is schon besides the scrubbed attachment.
> >
> > why is it working with html mails from gmail and why isn't it working
> > with html mails from gmx?
> Last question first. The mail from gmail is multipart/alternative with
> text/plain and text/html alternative parts. The archiver still scrubs
> the text/html part and replaces it with a link, but there is also the
> text/plain part which is archived inline.
> The mail from gmx is html only, so there is no text/plain part to
> archive inline.
> You can accomplish what you want in the archives using Mailman's content
> filtering, but this will also affect posts delivered to the list
> members. If that is acceptable, you want the following in the lists
> Content filtering settings.
> filter_content = Yes
> filter_mime_types -> totally empty, not even any whitespace
> pass_mime_types -> at least the following 3 lines, maybe more if you
> want to allow other attachment types.
> multipart
> text/plain
> text/html
> filter_filename_extensions -> the default list is probably OK
> pass_filename_extensions -> totally empty, not even any whitespace
> collapse_alternatives -> probably Yes. If you make this No, for a
> multipart/alternative message with both text/plain and text/html
> alternatives, you will wind up with a message with both the original
> text/plain part and a second text/plain part containing Mailman's
> conversion of the text/html part.
> convert_html_to_plaintext -> Yes
> --
> Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
> San Francisco Bay Area, California    better use your sense - B. Dylan

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