Slightly OT: Greylisting success or failure stories?

[Craig White]

On Thu, 2005-02-17 at 14:05 -0500, Kevin J. Cummings wrote:
> David Hoffman wrote:
> > I looked for any discussion lists about greylisting and haven't found
> > any, so I thought I might try asking here.
> > 
> > I'm considering adding greylisting to my postfix configuration, and
> > some of the articles I have been reading about greylisting show that
> > there can be any of several situations in which greylisting would not
> > be a viable solution.
> > 
> > In particular they mention issues with how some MTAs break something
> > in the RFC that makes greylisting work, and how receiving mail from a
> > site which uses multiple relay hosts (each with a different address)
> > can also cause mail to not be delivered.
> > 
> > So I thought I would ask on the list to see if anyone has done much
> > with greylisting and found it to be good or bad.
> 
> I installed milter-greylist-1.6.  It got rid of 95% of my SPAM email.
> I went from 300-400 messages a day to 2-3.  And those are coming in 
> through my fetchmail account, so there's not much I can do about it.
> I rely on Spamassassin and the Bayesian filters in Thunderbird to get 
> rid of most of those.
> 
> I liked greylist-1.6 so much that I made an FC2 RPM (and SRPM) for it 
> (from the 1.4 SRPM and the 1.6 tarball).  It is available here:
> 
> 	http://kjchome.homeip.net:81/milter-greylist-1.6-0.i386.rpm
> 	http://kjchome.homeip.net:81/milter-greylist-1.6-0.src.rpm
> 
> > I do also use the DNSBL lists, and some of my accounts also use TMDA.
> > What I am hoping for is that with greylisting, I can further reduce
> > the amount of spam mail traffic.
> 
> I started by using SPAMHAUS blocking in sendmail.  Then I installed 
> Spamassassin (as a procmail filter to flag SPAM), and then I added the 
> SPF-milter.  None of these made dent like milter-greylist did!
> 
> I'm still running all four, and a much happier camper now.
----
you might want to have Dag Wieers look at your packaging and see if he
wants to add something similar to his repository - it would sort of fit.

Craig