Author: Anand Buddhdev Date: To: exim-users Subject: Re: [Exim] Spam due to forgeries out domains hosted by outblaze
On Wed, Feb 18, 2004 at 10:37:54AM +0000, Matthew Byng-Maddick wrote:
> On Wed, Feb 18, 2004 at 11:30:36AM +0100, Anand Buddhdev wrote:
> > The problem with SMTP is that any host can connect and send mail with
> > any sender address, hence the ease of forgeries.
>
> No sh*t, Sherlock.
>
> > I think I read an archive message describing how to implement SPF
> > checking in exim, using ACLs, and if Outblaze were to implement SPF,
> > then you could eliminate the forged emails very easily.
>
> Did you also read the archive message describing SPF's approach to the
> forwarding problem? And SPF's approach to other problems?
Yes, I did. I have read the SPF webpage, and I am aware of the
forwarding problem, and yes, it's not easy to deal with, but not
impossible.