der Mouse <mouse(_at_)Rodents(_dot_)Montreal(_dot_)QC(_dot_)CA> wrote:
That works currently against spamware that pipelines illegally.
Problem is that there are lots of people using these techniques for
good reason.
Problem? What problem? I am quite happy to reject mail from people
who think they deserve to be exempted from the RFCs that apply to
everyone else
Is this another example of the SMTP spec having requirements, but
supplying no provisions for satisfying, or enforcing, those
requirements?
Similar weaknesses exist in other protocols, but they're less
problematic for a whole host of reasons.
Hmm... I think it's time for me to update my attempt at creating a
document describing "how spammers abuse fields and flaws in SMTP, and
why".
Alan DeKok.
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