"Hector Santos" <winserver(_dot_)support(_at_)winserver(_dot_)com> wrote:
Remember think!
connect ---> validate
...
These checks are like firewall rules: they stop bad traffic, but do
nothing to prevent such traffic in the first place.
I believe that there are minor modifications to deployment of SMTP
which may have a significant affect on the UBE problem. The
modifications are more on the order of changing our assumptions about
how the mail system "should" be used, rather than adding filter rules.
By way, what mail server has Alan written? never mind, doesn't matter.
It doesn't matter. I'm not interested in how SMTP server are
written, and it's irrelevant to the problem at hand. I'm interested
in the assumptions in the programmers mind, which is very different...
Alan DeKok.
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