Hi Daniel, > On 4 Jan 2026, at 19:28, Daniel Colquitt via mailop <[email protected]> wrote: > > Thanks, Peter. I recall seeing your post, >> The greytrapping retrospective at >> https://nxdomain.no/~peter/eighteen_years_of_greytrapping.html >> (also with GOOG's trackers at >> https://bsdly.blogspot.com/2025/08/eighteen-years-of-greytrapping-is.html) >> might be useful. > sometime last year, but couldn’t find today it amongst all the “newsletter > optimisation” posts. > > It’s a long shot, but do you have any stats (or failing that a gut feeling) > regarding the proportion of spam caught in your spamtraps from sources not > listed in the standard DNSBLs? I drop traffic from listed IPs at the CONNECT > stage, so I wonder how effective spamtraps will be without my having to spin > up a separate MX.
I really don't have any statistics on that, but it might be interesting to find out. If you want to run analyses I can make at archived spamd logs available. I have weekly archives going back to late 2021, but I suppose a smaller sample might be just as useful? All the best, Peter -- Peter N. M. Hansteen, member of the first RFC 1149 implementation team https://nxdomain.no/~peter/blogposts https://nostarch.com/book-of-pf-4th-edition "Remember to set the evil bit on all malicious network traffic" delilah spamd[29949]: 85.152.224.147: disconnected after 42673 seconds.
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