Re: [exim] Greylisting Within Exim Using Memcached

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Author: Dave Evans
Date:  
To: exim-users
Subject: Re: [exim] Greylisting Within Exim Using Memcached
On Fri, Aug 28, 2009 at 09:48:54AM +0100, Mike Cardwell wrote:
> > I'd be wary of using memcached for greylisting. Since there's no
> > guarantee that anything you put into the cache will come out again, so any
> > memcached-using app should degrade gracefully if that happens. Arguably,
> > yours doesn't; if memcached keeps failing to return what was put in, then
> > you'll defer forever, which you don't want.
>
> Why would it fail to return what was put in?


Cache got full. memcached got restarted. Wind direction changed. That sort
of thing.

--
Dave Evans
http://djce.org.uk/
http://djce.org.uk/pgpkey