On 19/01/2007 12:48, Markus Hardiyanto wrote:
> no, it's not a gateway. it's a web host server.

The IP you provided was delisted on Wednesday morning, then relisted 
yesterday afternoon.

Sounds like time to analyse your Exim logs, doesn't it?

eximstats < /var/log/exim/main.log (or whatever the path to your main 
logfile is) will give you a good bit of detail; you should be able to 
determine from there which local user is producing the mail.

As it's a hosting server, I'd guess that you either allow 
unauthenticated relaying of MAIL FROM: [EMAIL PROTECTED], 
or authenticated relaying of anything. If the former, stop it as it's 
easily abused. If the latter, you should be able to work out which 
domain or user is doing the authentication before relaying.

If it's user forwarding, that should also be fairly obvious.

Have a go at it. You'll probably work it out straight away.

Graeme

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