Re: [exim] Changing Return-Path on SMTP relay

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Szerző: Chris Wilson
Dátum:  
Címzett: David Woodhouse
CC: exim-users, Uros Meglic
Tárgy: Re: [exim] Changing Return-Path on SMTP relay
Hi all,

On Mon, 7 Mar 2011, David Woodhouse wrote:

> On Mon, 2011-03-07 at 15:59 +0100, Uros Meglic wrote:
>> Haha, you are funny. It's not that easy to do that in the country that I
>> live in. And the boss doesn't wanna change the ISP, don't ask me why.
>> Back to my problems...
>
> Seriously, don't do it. Rewriting the empty reverse-path to anything
> non-empty means you are a danger to yourself and others. The empty
> reverse-path is used on bounces for a *reason*.
>
> I have been known to make a complaint to ISPs when I've seen systems
> doing what you plan, asking them to be disconnected since they are a
> denial of service attack waiting to happen.
>
> If you really can't get the ISP to fix their broken server, then just
> use a mail smarthost elsewhere. Or send mail *directly* perhaps?


If one were to set the envelope sender to a special address, e.g.
noreply@???, and carefully discard all mail to that address, would
that not solve the loop issue? (by eliminating the risk of creating a mail
loop).

Cheers, Chris.
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