Re: [clug-talk] 29 emails distrinuted spam attemts

[Niels Voll]

I see this on my server, too, although the numbers are slightly higher 
for me. And yes, I have read somewhere, that e-mail guessing robots are 
all the rage these days. However another explanation could be, that 
people are buying spamming e-mail address lists with bogus (generated) 
emails. So they might be attempted spams with these bogus mailing lists 
as their source. There was a thing on slashdot on that just the other day.

I'm very interested in other people's experiences. too.

...Niels



bogi wrote:

Hi

I have noticed a strange trend in some of my servers mail logfiles.

The phenomina consistes of 29 (exactly and every time) emails 
addressed to (nonexsistent) 29 different usernames. Since i hardly
have users on my system, these emails get bounced.
The sender is allways different, but the 29 email names never repeate,
suggesting to me a distributed email-guessing attempt directed from a 
centeral name-list anf performed by different end-users 29 names at a time.

So my question is: Is this something new, do any other sysadmins see this ?
and if it is not new, then what is it, and how to guard against it ??
Cheers
Szemir
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