On Mon, Oct 7, 2019 at 2:57 PM Jaroslaw Rafa <r...@rafa.eu.org> wrote:

> Dnia  7.10.2019 o godz. 14:38:23 Brandon Long via mailop pisze:
> >
> > The way Google finds out that a sender is valid is people marking it
> > not-spam.  We can
> > trust (mostly, sorta, kinda) our receivers more than we can trust the
> > senders.  Plus, that's
> > our definition of spam, it's what our receivers don't want.
> And that's what people *do* with my messages if they notice that they have
> fallen into their spam folder. I have asked them to check, they did, and
> they marked it non-spam. I even did it myself on some test accounts that I
> created and sent mail to them trying to resolve the issue.
> Then why are the messages still going to spam?

Because a handful of users marking them as not-spam isn't enough to overcome
the netblock signal.  And spammers routinely try to game the system by
test accounts and marking their messages as not spam.

So that few markings only affect the accounts that did them.

> I can say that our system thinks your netblock sends 1 out of 10000
> > non-spam messages.  We likely don't
> > have the accuracy to know that your messages are different enough, and
> you
> > don't have the volume
> > for us to be able to figure that out... ie, if your mail is going to spam
> > and shouldn't, that means we're off
> > by 0.01.
> But for me it's by 100%, at least if we speak of new messages, ie. to
> people
> to whom I write for the first time.
> Then what could I do?

Complain to your ISP that they're letting spammers use them?  Switch to a
different ISP?
Use a third party relay that has a better reputation and volume?

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