Re: [ADMIN] Spam filtering

Author: Kurt Wendt

Posted: 2026-05-31 at 18:04:31

Really Ted? Was it an Attack by Sir Spamalot??? Was that like a Monty

Python character?

-K

On Sun, May 31, 2026 at 4:28 PM Ted Roche <tedroche@gmail.com> wrote:

> That's a lot of spam!

>

> I'm not seeing footers on the emails at all.

>

> Two or three emails did get through the filters, two from "Victoria

> Victoria@sovereignsymbol.com via leafe.com" and one from "The Edge Men

> Want

> support@laverdaddemonagas.com via leafe.com"

>

> Let me know if I you need more info, I can forward them to you off-list.

>

>

> On Sun, May 31, 2026 at 10:52 AM Ed Leafe <ed@leafe.com> wrote:

>

> > NOTE: I had tried posting this yesterday, but the message never got

> > posted. I checked the logs, and it showed that it was received, passed

> spam

> > filtering, and then... nothing. What followed was several hours of

> > debugging with the help of Claude Opus 4.8. I finally tracked down the

> root

> > cause, but had no idea why it started failing now: I hadn't changed

> > anything since the list upgrade back in January. While I was messing

> around

> > I decided to also fix the broken footers, so those should be working.

> >

> > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =

> > = = = = = = = = = = =

> >

> > I thought I'd share a little bit of what goes on to host this list (and

> > the Dabo lists).

> >

> > I use rspamd (https://www.rspamd.com/) as my spam filter. I have the

> list

> > software configured to run everything through it before it begins

> > processing any email; those that are flagged as spam are written to a

> file

> > and otherwise ignored.

> >

> > Once a day I have a script running on a cron job that analyzes that file,

> > and sends me a single email summary of the previous day's suspected spam

> > for review. It's rare to find legitimate mail that was incorrectly marked

> > as spam, but it does happen.

> >

> > The script extracts the subjects, senders, and recipients, and sorts them

> > by count, and then alphabetically. It also contains a link I can click to

> > delete the file if there's nothing good in it.

> >

> > This morning's summary was larger than usual. Typically there are a

> couple

> > hundred held spam messages a day, but yesterday the total was 933!

> That's a

> > lot of spam!

> >

> > I was going to include the email summary in this post, but with all those

> > spammy subjects, it wouldn't make it through any of your spam filters,

> so I

> > posted it on my website, with some internal details redacted.

> >

> > https://leafe.com/docs/listspam.html

> >

> >

> > -- Ed Leafe

> >

> >

> >

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©2026 Kurt Wendt