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Original post on mastodon.social

I added a few more translations of the phrase "This is trash" to the spamtraps at https://nxdomain.no/~peter/traplist.shtml (see https://nxdomain.no/~peter/the_rest_is_trash.html or bsdly.blogspot.com/2026/02/the-rest-is-tras...

If you want further translations added, please let me […]

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Eighteen Years of Greytrapping - Is the Weirdness Finally Paying Off?

The update you have been waiting for:

"Eighteen Years of Greytrapping - Is the Weirdness Finally Paying Off?" nxdomain.no/~peter/eight... (tracked bsdly.blogspot.com/2025/08/eigh...)

now has the complete 2025 data. #openbsd #spamd #greytrapping #spam #antispam #cybercrime #spamtraps #blocklists

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Original post on mastodon.social

Hm. log entries like

Sep 30 00:54:41 skapet spamd[83364]: (GREY) 171.4.7.241: <maillist@mailserver.com> -> <somethingreallystupid@bsdly.net>
Sep 30 00:54:41 skapet spamd[83004]: new entry 171.4.7.241 from <maillist@mailserver.com> to <somethingreallystupid@bsdly.net>, helo […]

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Now 8024921 imaginary friends (and counting), at nxdomain.no/~peter/trapl..., mainly exumed from logs.

For the bored but not restless, nxdomain.no/~peter/eight... (also bsdly.blogspot.com/2025/08/eigh...) #greytrapping #spamtraps #spamd #openbsd #spam #cybercrime

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Original post on mastodon.social

Now 8024921 imaginary friends (and counting), at https://nxdomain.no/~peter/traplist.shtml mainly exumed from logs.

For the bored but not restless, nxdomain.no/~peter/eighteen_years_of... (also bsdly.blogspot.com/2025/08/eighteen-years-o... […]

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heh. with another 70 weeks of log data to sift through, the count of imaginary friends at nxdomain.no/~peter/trapl... just rolled past seven million (also see nxdomain.no/~peter/eight... or tracked bsdly.blogspot.com/2025/08/eigh...) #spamtraps #imaginaryfriends #spamd #smtp #cybercrime #openbsd

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Original post on mastodon.social

heh. with another 70 weeks of log data to sift through, the count of imaginary friends at https://nxdomain.no/~peter/traplist.shtml just rolled past seven million (also see nxdomain.no/~peter/eighteen_years_of... or tracked […]

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Eighteen Years of Greytrapping Retrospective Published

Eighteen Years of Greytrapping Retrospective Published www.undeadly.org/cgi?action=a... #openbsd #spamd #greytrapping #antispam #security #cybercrime #spamtraps

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Eighteen Years of Greytrapping Retrospective Published

Eighteen Years of Greytrapping Retrospective Published www.undeadly.org/cgi #openbsd #spamd #greytrapping #antispam #security #cybercrime #spamtraps

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Maintaining A Publicly Available Blacklist - Mechanisms And Principles When you publicly assert that somebody sent spam, you need to ensure that your data is accurate . Your process needs to be simple and veri...

"Maintaining A Publicly Available Blacklist - Mechanisms And Principles" (also bsdly.blogspot.com/2013/04/main...). TL;DR: blocklisting is a kind of public shaming, be sure your process is verifiable+transparent.

#blocklists #spamtraps #antispam #smtp #spamd #openbsd #freebsd #security #cybercrime

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Original post on mastodon.social

In 2013 I wrote up "Maintaining A Publicly Available Blacklist - Mechanisms And Principles" (also bsdly.blogspot.com/2013/04/maintaining-publ... . TL;DR: blocklisting is a kind of public shaming, be sure your process is verifiable and transparent.

Minor edits today […]

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Original post on mastodon.social

September 7, 2022 the 300,000th spamtrap was added to our list of imaginary friends, see "The Things Spammers Believe - A Tale of 300,000 Imaginary Friends" nxdomain.no/~peter/spammers_believe_...

Today, the number at at […]

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Original post on mastodon.social

The symptoms of what I take to have been a #phishing campaign aimed at users in #japan are no longer that visible in the backscatter.

But they will be visible as new #imaginaryfriends in the published #spamtraps list we user for our our #openbsd #spamd #graytrapping, see […]

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Preview
What Spamtraps Tell Us Many blocklists use spamtraps to detect poor sending practices and will cite spamtrap hits as the reason for the blocks. Senders legitimately fear spamtraps showing up on their lists because of thi…

"Spamtraps tell us that there are problems with something about our data... if your list processes allow spamtraps on the list, it’s likely you’re also sending mail to actual people who don’t want it."

#spamtraps #emaildeliverability

wordtothewise.com/2025/03/what...

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That grumpy BSD guy: The Things Spammers Believe - A Tale of 300,000 Imaginary Friends

Despite our efforts (such as nxdomain.no/~peter/spamm... btw now >3 million), *some* #spam will occasionally make it all the way through to an inbox and to be read by a person.

Today I offer a prime sample: nxdomain.no/~peter/blogp... #spamtraps #cybercrime #mail #email #smtp #scams #greytrapping

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My favorite new imaginary friend[1] (one of more than half a million) would be offspring.collectively0@bsdly.net, added today.

[1] nxdomain.no/~peter/trapl... also nxdomain.no/~peter/spamm..., same sentiments, but larger numbers.

#spamtraps #antispam #spamd #openbsd #smtp #email #cybercrime

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