Re: More sorbs blacklisting
- To: debian-isp@lists.debian.org
- Subject: Re: More sorbs blacklisting
- From: Michelle Konzack <linux4michelle@freenet.de>
- Date: Mon, 31 Jul 2006 18:42:17 +0200
- Message-id: <[🔎] GD2hiD.A.5Q.Buy2EB@t1950ct.private>
- In-reply-to: <200606200215.k5K2Fne7019270@isp2dial.com>
- References: <A2026EC536461E4F8E09010D80CB8B6F03B434@sin-mx-001.sindows.net> <200606192128.k5JLSk4I018783@isp2dial.com> <EA2494A704C72A544387A95B@d216-220-25-20.dynip.modwest.com> <200606200215.k5K2Fne7019270@isp2dial.com>
Am 2006-06-20 02:15:12, schrieb John Kelly:
> I also check matching forward/reverse DNS. That stops even more.
>
>
> >I can't leave it on all day because too many clueless net/mail admins
> >sending legitimate mail (20-30% i estimate) also don't have valid rDNS.
>
> I never turn it off. I'll gladly sacrifice 20% of "legit" mail to
> stop 99.5% of all SPAM. With my DNS checks, and five blacklists, it's
> working very well.
>
> Why worry about missing "legit" mail? I already get more than I need
> anyway.
If you are selfemployed you will think about it,
if your customers can not more send you your Jobs...
I get per day between 500 and 8000 Spams against 1500
messages "legit" per day on my E-Mail and catch over
99% of them with less then 99,9% FalsePositive.
Greetings
Michelle Konzack
Systemadministrator
Tamay Dogan Network
Debian GNU/Linux Consultant
--
Linux-User #280138 with the Linux Counter, http://counter.li.org/
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