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Date:      Thu, 8 Jan 2015 21:33:13 -0600 (CST)
From:      "Valeri Galtsev" <galtsev@kicp.uchicago.edu>
To:        "Erich Dollansky" <erichsfreebsdlist@alogt.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: ?????Pls remove me I have been hacked!!!
Message-ID:  <20713.128.135.70.2.1420774393.squirrel@cosmo.uchicago.edu>
In-Reply-To: <20150109092132.2f7f131e@X220.alogt.com>
References:  <20150108231912.C874F48940C@agent02.agent.vmail.yz.sinanode.com> <54AF13F6.5070105@kicp.uchicago.edu> <20150109092132.2f7f131e@X220.alogt.com>

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On Thu, January 8, 2015 7:21 pm, Erich Dollansky wrote:
> Hi,
>
> On Thu, 08 Jan 2015 17:34:14 -0600
> Valeri Galtsev <galtsev@kicp.uchicago.edu> wrote:
>
>> Is that only me or others noticed too that every first message of new
>> thread on this list if followed by junk like this. This apparently
>> was delivered from domain
>>
> this is an old thing. It comes and goes.
>
>> sina.com.cn
>>
>> Would that be reasonable to reject all mail of that origin on the MX
>> level?
>>
> It is not that easy. The sender addresses change very often.
>

That is what I assumed from the very beginning. With these things on my
servers I usually do this: I find out which domain sender's MX serves.
Then I send complaint to

abuse@that.domain.com

No one usually gets back to me (at least from that geoip location no one
ever did). Then I send similar complaint appended with note that abise@
never came back to me to postmaster@that.domain.com. After that I set my
MX to reject mail with message that that domain didn't respond abuse
complaint. [Did I miss something decent sysadmin should do in the case?]

But, of course, freebsd.org has quite different audience from a couple of
Departments of some university...

Valeri

>> Sorry about sending spam in name of fighting spam.
>
> Isn't this real life?
>
> Erich



++++++++++++++++++++++++++++++++++++++++
Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247
++++++++++++++++++++++++++++++++++++++++



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