Re: Force independent smtp delivery sessions?

[Ralf Baechle <ralf@uni-koblenz.de>]

On Sat, Aug 31, 2002 at 09:10:20AM +0530, Arnt Gulbrandsen wrote:

> Not any more. I run a spam honeypot (a Zmailer configured to forward 
> relay probes and freeze everything else) and I see only multi-recipient 
> spam, and mostly multiple messages per session.
> 
> Everyone using open relays use multi-recipient messages; most spammers 
> using hashbusters or personalization use multiple messages per session.
> 
> They even use PIPELINING, sometimes correctly.
> 
> Btw, if any of you feel like setting up a honeypot catch lots of spam, 
> please send me mail off-line. (Certain details are useful only until 
> the spammers catch on, so I don't want them in a web-searchable 
> archive.)

The way I saw spammers working was submitting a mail message to about
30 envelope recipients of which one address, a hotmail address was the
same in each batch.  I suppose that address was used for flow control.

  Ralf
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