I have a genereal question.
Why default Zimbra installation have old hack problem ?
If attacker know a proper mail account can send mails unverified to local domains.
Example :
telnet mail.example.com 25
helo ala.local
mail.from: <ala@example.com>
rcpt to: <ala@example.com>
data
test
.
quit
Now in Poland there is an attack based on this hack
OLD HACK
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Re: OLD HACK
Hello,
not an old hack, just normal behavior.
See you
not an old hack, just normal behavior.
See you