Minimum days between sieve vacation responses

[Ramprasad]

On Fri, 2011-11-04 at 08:24 -0500, ktm at rice.edu wrote:
> On Fri, Nov 04, 2011 at 07:59:07AM +0100, Bron Gondwana wrote:
> > On Fri, Nov 04, 2011 at 12:22:54PM +0530, Ram wrote:
> > > Can I configure sieve to send vacation responses for every message .. 
> > > rather than waiting for "n" days before responding again to the same sender
> > 
> > Ouch - why?  There's a danger of mail loops, amongst other things.
> > 
> > Bron.
> 
> Double ouch, ouch! That is a really, really, REALLY bad idea. We actually
> made a work-around within the mail system to make this happen and sooner
> or later, in EVERY case, we had a massive mail loop or other type of self-
> inflicted DoS against our mail infrastructure. In most of them, the users
> themselves received so much mail that their mail clients were unable to
> handle the volume and mail administrators were needed to clean things
> enough for them to get back to work.
> 


I understand that this may lead to mail loops

But our client requires that every mail to "sales at domain.com"    should
immediately get a response ( Business requirements .. not technical ) 


Assuming that I have methods to avoid looping at the SMTP level .. how
can I do this in cyrus, sieve




Thanks
Ram