Author: Marc Sherman Date: To: exim-users Subject: Re: [exim] HTTP requests to port 25?
Stephen Gran wrote: >
> Somebody has managed to trick a proxy server into POST'ing their spam
> to your.address:25 - a common way to make http proxies relay email.
Ah, thanks. So the exploit is against a broken proxy on some other
machine, which then tries to relay to my machine, and fails.
> Enforcing sync + a short delay at connect (2 or 3s) makes just about all of
> these go away.
Yup, I'm enforcing sync, so I'm not seeing any problem here; I was just
wondering what the intent of the spammer was.
