On Fri, 2004-02-06 at 13:35, Alun wrote:
> The question is, how many mail systems bounce mail without including
> the headers? If the answer is low enough, we would end up not passing
> on any bounces that weren't in response to mail originating from our
> systems.
Certainly some - thats why MLMs end up requiring VERP. Many bounce
messages don't even contain the failed recipient address in a reasonable
form :-(
[Many meaning a large proportion of the ones I see - of course the easy
stuff has been filtered already by the MLM processor]
> I'm pretty sure I'm not the first person to think of this, so there must
> be a big flaw. Presumably the flaw lies in the previous paragraph. What do
> people think?
People sending mail out through other routes (ie not via your server(s)
but legitimately using your domain as a sender domain - ie people with
laptops at home sending out via their ISP.
Nigel.
--
[ Nigel Metheringham Nigel.Metheringham@??? ]
[ - Comments in this message are my own and not ITO opinion/policy - ]
