Hi again,
First, a precision: my reply is missing 2 lines wich, for short, were saying: "but usually you don't get listed on the first sending to a trap, it's more an accumulation of emails to different traps that get you in trouble form what I understand of how traps work". That's why when you ask for a bounce after data this is a problem to what traps users want: they don't mind about one or two emails sent to an address. They are much more interested in "repeat offenders", menaing senders who keep sending to the same adress time and time again without checking for reaction. Thay don't want to give any possible clue to bad actors by doing something that might be recognized as unusual for a mail server, and they want to keep receiving the mails wich prove someone is doing somthing wrong (on purpose or not is another question). Second: yeah if the domain/address you are sending to was giving you "proof of life" (answers and so on) until very recently and is now being used as a trap that would be kinda rude (and not very useful to detect actual spammers), most trap owners I have spoken with usually say that they will bounce (hard) mails for at least 6 months straight on re-used addresses (and most say they do it for at least a year). Mathieu Bourdin -----Message d'origine----- De : Ralf Hildebrandt [mailto:ralf.hildebra...@charite.de] Envoyé : jeudi 22 août 2019 10:48 À : Mathieu Bourdin <m.bour...@dolist.com> Cc : mailop@mailop.org Objet : Re: Return Path / Sender Score * Mathieu Bourdin <m.bour...@dolist.com<mailto:m.bour...@dolist.com>>: > >*** Shouldn't spam traps reject all mails after the END-OF-DATA? *** > > If they did, they would be easily identifiable, and thus would have no value. Well, the sender wouldn't know if it's a trap or if the server is just FUBARed in some odd way. > The thing with spamtraps is that they should not be in your DB in the > first place (especially pristine ones) or should have been trimmed > from your DB a long time ago (back when they went from a usable user > address to a bouncing address before being reactivated as a spamtrap). Yes, but we're using mailman, and always with double-opt in and (of course) bounce processing (seriously, who wouldn't use bounce processing?!). In fact, these spamtraps must have been hit quite recently when we already had the most recent version of mm2 (the one with reCaptcha). It's totally unclear. To me it looks as if a domain wen'T directly from "used for mail" to "used as a spamtrap". -- Ralf Hildebrandt Charite Universitätsmedizin Berlin ralf.hildebra...@charite.de<mailto:ralf.hildebra...@charite.de> Campus Benjamin Franklin https://www.charite.de Hindenburgdamm 30, 12203 Berlin Geschäftsbereich IT, Abt. Netzwerk fon: +49-30-450.570.155
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