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Re: SMTP-SASL auth failure caching.

From: Wietse Venema (wietseporcupine.org)
Date: Sun Dec 02 2007 - 21:05:09 CST

Victor Duchovni:
> On Sun, Dec 02, 2007 at 08:38:10PM -0500, Wietse Venema wrote:
> > > And a new map type other than "proxy:" that talks to this service rather
> > > than proxymap? Cloning the "proxy:" map type is a bunch of work, where's
> > > the win (we lose memory-only caching)?
> >
> > The proxymap service with update support, is sufficient.
> >
> > This provides the single-writer functionality.
> So the SASL code needs to use "proxymap" protocol directly, not
> "proxy:..." tables, which always contacts the "real" proxymap.

To access a single-writer auth_fail_map, use
proxy:btree:/some/where/auth_fail_map a dedicated proxymap service,