greylisting

[Kourosh]

On Wed, 2004-03-10 at 16:26, William Burns wrote:
> Garry Glendown wrote:
>
> > shrek-m at gmx.de wrote:
> >
> >> hi,
> >>
> >> http://www.net-security.org/news.php?id=4756
> >> http://projects.puremagic.com/greylisting/
> >>
> >> comments ?
> >
> >
> Wow. That's a really useful link. I'm going to think about setting it up.
> But... I've got 3 mail servers for my domain, w/ balanced MX records so
> unless there's a shared database between the machines, it'll end up
> giving out up to 3 tempfails for a single triplet. (and a shared
> database might be a single-point-of-failure in an environment where
> redundancy is key)

Set up a read-only LDAP server on each machine with each LDAP server
getting updates from a central read/write LDAP server.
--
Kourosh <mailscanner at mindwaresystems.com>