著者: Reinhard Haller
日付:
To: marc
CC: exim-users
題目: Antw: [exim] Port Tests to Verify the Sending Hosts
Hi Marc,
>I don't think anyone would disagree that a host that has port 465 open
>is more likely not to be a spammer.
I disagree. More open ports on a machine means there are more
attackable
ports for hackers and trojans.
I don't know why an open port for an outdated service should be an
indicator
that there is no Botnet.
Reinhard Haller
For further reading on future threats:
http://www.interentnews.com/infra/article.php/3469071
http://castlecops.com/article5209.html
Why Spammers Spam:
http://www.vircom.com/Downloads/Whitepapers.asp