[CentOS] dealing with spoofing

[Mailing Lists]

http://www.openspf.org/Introduction - SPF FTW

On Wed, Aug 31, 2011 at 4:47 PM, Stephen Harris <lists at spuddy.org> wrote:

> On Wed, Aug 31, 2011 at 04:27:00PM -0400, m.roth at 5-cent.us wrote:
> > Stephen Harris wrote:
> > > Anyway, the SMTP server should send the delivery failure to the
> envelope
> > > address, which may be different to both the From and Reply-To
> addresses.
> > >
> > That would be lovely. Unfortunately, a high percentage seem to use the
> > Reply-To address. Trust me, the last four or five months, I've gotten
> > probably hundreds, if not more, of delivery failures. And I wind up at
> > least glancing at them, in case email to this list, or to a friend, has
> > bounced.
>
> Envelopes can be forged just as easily as any header.
>
> --
>
> rgds
> Stephen
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