[LINK] RFI: Spambot Architecture

rchirgwin at ozemail.com.au rchirgwin at ozemail.com.au
Thu Aug 23 20:52:20 AEST 2007


Scott Howard wrote:
[snip]
> If you want to help partially fix the problem, may sure you're blocking
> outbound port 25 requests to the Internet unless you've got a (very!)
> good reason not to.  Many ISPs do this now, and it's one of the reasons
> that the percentage of spam originating in Australia is dropping, but
> I'm still amazed how many corporates don't!
>   
And for individual users: set up the personal firewall so that the 
e-mail client can *only* talk to the ISP mail server. Don't let it 
accept or send to any IP other than the ISP's SMTP.

Richard Chirgwin
>   Scott.
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