From: Adam D (emlistsgmail.com)
Date: Mon Aug 20 2007 - 14:35:58 CDT

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Bjorn Fahller wrote:
> On Monday 20 August 2007 16:42, Adam D wrote:
>
>
>> I have noticed a very large (over 2-5.5k+...) emails in one day, since
>> Friday, being sent to the same, SPAMer created, non existent account.
>> The logs are showing the SPAM/Virus being rejected for these reasons:
>>
>> Helo command rejected: Host not found; from=<> from=<>
>> to=<jicdomainfeldomain.tld>
>> Client host rejected: cannot find your hostname [...] from=<>
>> to=<jicdomainfeldomain.tld>
>>
>
> I had a very similar thing here a few weeks ago. Mail were sent to
> <built???domain.tld>, (where ??? varied between messages.) The most frequent
> sender IP address made something like 700 tries/day. However, it turned out
> that the number of IP addresses wasn't that large - 20-something I think.
> Since the number of src IP's was relatively small, I blocked them in the
> firewall. A week later at all died out.
> _
> /Bjorn
>
Yes, that is what I am fearing, just sit and let it pass on by.

-Adam

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