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Re: Greylisting for @debian.org email, please



Le Mar 28 Juin 2005 08:36, Bob Proulx a écrit :
> Pierre Habouzit wrote:
> > Le Lun 27 Juin 2005 10:14, Stig Sandbeck Mathisen a écrit :
> > > Since this is contrary to my experience with greylisting, I'd
> > > like to hear more about your experiences with it, and why you
> > > consider greylisting "really painful".
> >
> > I already did : for personnal use (and I use my @debian.org address
> > for some debian related personnal discussions, like discussions
> > with an uploader I sponsor or alike) I find that 30minutes delays
> > are not acceptable (and I know that greylisting last only 5
> > minutes, but it's a fact that requeue of a mail is done 30 minutes
> > after the first try for most of the SMTP server on the planet).
> >
> > I don't ask a <5s delay for every mail I send/receive, but if a
> > mail takes more than 2-3 minutes to be delivered, then this is
> > useless.
>
> I think you misunderstand.  Remember that only the first exchange
> with a new address is delayed.  After the initial exchange there is
> no more delay.  Your continuing conversations will not have a delay.

and yet please rememeber one of my previous mails : some of my regular 
corespondant have mails that use SRS and that will also have a MAIL 
FROM that changes every 3/4 hours.


> > like I said many times in that thread, greylist is a good solution
> > to filter spam with quite no false positive, that's true. *BUT*
> > it's a bad idea to use it for *every* mail. A mail that (e.g.) :
> >  - is SPF-clean
> >  - comes from hotst that are RBL-clean
> >  - <put your own fast test here>
> > should not suffer from greylisting.
>
> Remember that all subsequent messages after the first one are not in
> any way delayed.  The effect there is the same as not having
> greylisting.

even if that was true, I don't see why the first mail should be delayed 
when it's obviously a legitimate mail. and now think at the thing I 
just said.
-- 
·O·  Pierre Habouzit
··O                                                madcoder@debian.org
OOO                                                http://www.madism.org

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