On Sat, 18 May 2002, Greg A. Woods wrote:
> [ On Saturday, May 18, 2002 at 11:51:48 (+0100), David Woodhouse wrote: ]
> > Subject: Re: [Exim] Cascading Autoresponder Loops
> >
> > The autoresponder should be giving you responses with error message status
> > (i.e. MAIL FROM:<>). You should never send an autoresponse to error messages.
>
> No, that's not exactly right. Do not confuse bounces with other kinds
> of automatically generated responses. There are many ways to prevent
> loops in the latter scenario without getting confused over the former.
>
> The de facto standard is to use the "Precedence:" header ala "vacation".
Well, to be exactly correct, this topic is a matter of debate. I happen
to agree with the original poster, *any* automatically generated message
should *always* use MAIL FROM: <>. Greg beleives that only MTA-generated
return messages should use that, and that autoresponders setup by an
end-user should use their own address. It is my experience that,
regardless of which is 'technically correct', Greg's method will not
prevent as many loops as using a null sender would - there are lots of
MTA and MUA packages that get it completely wrong (in both of our
opinion, as far as I know). I dont see any advantage to not using the
null sender for any autoresponse..
>
> --
> Greg A. Woods
>
> +1 416 218-0098; <gwoods@???>; <g.a.woods@???>; <woods@???>
> Planix, Inc. <woods@???>; VE3TCP; Secrets of the Weird <woods@???>
>
> --
>
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