On Fri, 7 Sep 2007 14:56 , Chris Edwards <[EMAIL PROTECTED]> said:

> Anyone else noticing more concurrent incoming SMTP connections in last
> couple of weeks ?
>
> Chances are it's a buggy botnet, and has been discussed in various places
> including:
>
>   http://blogs.msdn.com/tzink/archive/2007/09/01/new-spamming-tactic.aspx
>
> and I'm guessing is responsible for the recent "smtp_reserve_hosts" thread
> on exim-users.
>
> Suggestions seem to include lowering timeouts - which seems likely to
> break legit things.
>
> Perhaps it's time to switch our DNSBL etc tests from "deny" to "drop" mode.
> Is there any obvious downside to this ?  Do most folk use drop already ?

Almost the exact words that have been going through my mind as well...

Alan Thew
>

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