High CPU load, RCPT TO:

Marcel Blenkers marcel-ml at IRC-ADDICTS.DE
Thu Feb 3 18:26:52 GMT 2005

Hi there,

the method to block or stop mails to unknown recipients seems to be fine.
But the last day i just made tail -f on my maillog, and noticed, that
someone is sending a lot mails to postmaster within seconds.

So, the accout postmaster is existing, but it seems to me that this person
tried to get my maschine into its knees..

is there a way to block someone sending a lot of  mails within a few
seconds automaticaly?

As these mails where no spam, just mails with some weird content, vispan
did not work, as these mails where not tagged as spam.

So i am wondering if there is a way to have a script looking into the
logfile, and if one ip is sending max-mails within x seconds, add this ip
to he access-file as blocked..

Any ideas would be great



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