On March 12, 2020 1:11:28 AM GMT+00:00, "Jason A. Donenfeld"
wrote:
>Hi,
>
>I run several mailing lists over at lists.zx2c4.com using mailman
>2.1.30rc1. I would like to reject incoming messages that have any HTML
>parts in them at all. Or, perhaps, I'd like to whitelist a few
>different mimetypes, and reject incoming messages with parts that
>don't match. I noticed that mailman has a feature to strip out
>disallowed mimetypes, and also to reject messages that are empty after
>such stripping. But I could not find a button to reject the entire
>message (with a nice reject reply, preferably) based on the presence
>of a certain mimetype. Am I missing something?
No. Mailman has no such facility.
>I should note that this isn't an unusual desire. Several
>kernel-orienting lists, such as net...@vger.kernel.org, will reject
>your message if it has HTML in any part of it, and send you back an
>email letting you know what happened.
Given that many, if not most, user's MUAs send multipart/alternative "text",
this seems to be something that would be problematic for all but lists with
highly technical users.
--
Mark Sapiro
Sent from my Not_an_iThing with standards compliant, open source software.
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