Can pf block illegal relay access attempts?
Pyun YongHyeon
yongari at kt-is.co.kr
Thu Dec 16 22:14:47 PST 2004
On Fri, Dec 17, 2004 at 01:56:34PM +0800, Ladislav Bodnar wrote:
> Hi,
>
> Over the last 7 days my Postfix mail server received almost 80,000 requests
> to relay mail to a third destination. Since it is not an open relay, it
> rejected all these requests, but it is still annoying to see this
> happening. The requests came from varying (almost 20,000 different) IP
> addresses, but they had one thing in common - the destination address was
> always "$some-user-name"@infomagic.com.
>
> Is there a way to prevent these attempts to access the mail server at all? I
> only started using pf recently, so I still have a lot to learn, but I would
> appreciate any advice. Or is pf not the right tool for this?
>
Try spamd in ports/mail.
> Thanks a lot for your help.
--
Regards,
Pyun YongHyeon
http://www.kr.freebsd.org/~yongari | yongari at freebsd.org
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