Discussion Groups wrote:
> Lately we have been seeing some spam that is sent to every user (in the
> CC field) on our system. Does anyone know how someone can be querying
> our mail server to get a list of addresses?
One way is via 'VRFY', another is via 'RCPT TO'.
> And what can be done to stop it?
Unplug the server :-)
Seriously though, unless you're blocking the IP address(s) or are
using an email gateway with heuristics to detect dictionary attacks
there's not much you can do.
--
[EMAIL PROTECTED]
"Hangers on though you be friends be more humble
when asking for seconds."
Katsuhito Masaki (Grandfather); Tenchi Muyo Episode 7
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