Re: More then 2800 spams from the list...
On 2018-03-19 12:58, Michelle Konzack wrote:
> Hello and Listmaster/owner,
>
> I have send on "Date: Mon, 19 Mar 2018 07:17:40 -0400" a message
> to the list and now I got already 2800 Spams on one go!
>
> The EMail responsabble for this shit is <helm7722@gmail.com>.
>
> Please can you remove this EMail from the list?
>
> The message is:
>
> ----8<------------------------------------------------------------------
> Hello, this is the mail server on frash.longvieace.com.
>
> I am sending you this message to inform you on the delivery status of a
> message you previously sent. Immediately below you will find a list of
> the affected recipients; also attached is a Delivery Status
> Notification
> (DSN) report in standard format, as well as the headers of the original
> message.
>
> <helm7722@gmail.com> delivery failed; will not continue trying
> ----8<------------------------------------------------------------------
>
> All servers have exactly the same message...
>
>
> While writing this EMail, the spam increased to 3118.
>
> Thanks in advance
It looks like you are hit by backscatter bounces. Someone uses your
e-mail (in prepared message) as sender and spams the misconfigured
servers which send you bounces as they can't deliver spammers message to
the recipient.
This is precisely why e-mail server should never send bounces to
non-local senders. When sender is spoofed as in this case then is hit
with thousands of DSNs.
As most of the time people want to get DSNs for emails they sent it is
hard to mitigate using spam filtering software. You just have bad
luck/you are targeted.
k.
--
Karol Augustin
karol@augustin.pl
http://karolaugustin.pl/
+353 85 775 5312
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