Distributed Dictonary email slam
Christopher X. Candreva
chris at westnet.com
Sun Sep 5 23:58:06 UTC 2004
On Sun, 5 Sep 2004, Matt Hess wrote:
> source hosts.. Now being as we are a secondary mx I'm dropping their record
> out of our email system as I write this, however, I am curious if other have
> gone through or are currently going through something of this magnitude (12K
> spam/dictionary msgs per hour destined to one domain and that's just what is
You want to keep a list of valid accounts on the secondary so you can refuse
mail for non-existing accounts on the secondary too.
If you don't care about yourself -- relize that if, say, all of these mails
have a return address forged from the same domain, you will be DOSing THAT
site with the bounce messages. This is enough for some people to block mail
from you.
==========================================================
Chris Candreva -- chris at westnet.com -- (914) 967-7816
WestNet Internet Services of Westchester
http://www.westnet.com/
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