Re: [squid-users] Spam mail through Squid server

From: Christoph Haas <email@dont-contact.us>
Date: Tue, 25 Oct 2005 23:01:44 +0200

On Tuesday 25 October 2005 22:36, lokesh.khanna@accelonafrica.com wrote:
> I am running transparent squid server on Redhat ES 3.0 box. I noticed
> some time some of my users establish http connection with some server on
> internet and send spam mail. Header of that mail always contain squid
> server IP address. Is there any way I can insert customer's PC ip
> address also which is actually sending that mail?

Insert?

Above all make sure that connections to port 25 through Squid are not
allowed. That should have been the default. It's a nasty trick to send SMTP
through HTTP but the stupider mail servers seem to accept that.

 Christoph

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Received on Tue Oct 25 2005 - 15:01:27 MDT

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