From: Richmond <dnomhcir@gmx.com>
To: info-gnus-english@gnu.org
Subject: Re: A look at free.usenet reveals the need for matching on high entropy random strings
Date: Wed, 05 Jul 2023 00:32:05 +0100 [thread overview]
Message-ID: <85cz171cei.fsf@example.com> (raw)
In-Reply-To: <85h6qj1dmu.fsf@example.com>
Richmond <dnomhcir@gmx.com> writes:
> Richmond <dnomhcir@gmx.com> writes:
>
>> Emanuel Berg <incal@dataswamp.org> writes:
>>
>>> Richmond wrote:
>>>
>>>> A look at free.usenet reveals the need for matching on high
>>>> entropy random strings. These are being used in the from
>>>> header to thwart filters.
>>>
>>> Are you on Usenet with news.eternal-september.org ?
>>
>> I am on usenet with news.solani.org . I forgot that
>> gmane.emacs.gnus.user is a mailing list. I am looking for a way to
>> filter out spam from newsgroup free.usenet although I think maybe there
>> is nothing else in there.
>
> Maybe I can use
>
> grep -P '<.{128,}>'
>
> on the from field?
If I say (L)ower (a)uthor (r)egular expression (p)ermanent and then
enter ^.{128,}$ that should match any from field of more than 127
characters right? It doesn't work. Nothing I have tried works.
next prev parent reply other threads:[~2023-07-04 23:32 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-04 20:34 Richmond
2023-07-04 22:17 ` Emanuel Berg
2023-07-04 22:37 ` Richmond
2023-07-04 23:05 ` Richmond
2023-07-04 23:32 ` Richmond [this message]
2023-07-05 0:05 ` Emanuel Berg
2023-07-04 23:58 ` Emanuel Berg
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=85cz171cei.fsf@example.com \
--to=dnomhcir@gmx.com \
--cc=info-gnus-english@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).