Re: [exim] DynaStop - It works for me.

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Author: Graeme Fowler
Date:  
To: exim users
Subject: Re: [exim] DynaStop - It works for me.
On 07/11/2006 15:15, Chris Lightfoot wrote:
> how do you allow the recipient to discover when mail they
> wanted has been blocked?


That usually comes to light when the original sender files a complaint.

Right now, in my day job, if we notified every recipient that a message
to them had been blocked we'd end up with an increase of 4 times the
amount of mail in people's inboxes (on average, many would be less but
some would be far greater).

One one system I run (for a very small user base) I educate people to
put the spams that get through in a specific, shared, folder so that we
can all learn from them (including the system). Between us we then
assume that everything in their inbox is not spam. As far as I know, in
three years of running this, we have only ever had a single set of FPs
and they came, repeatedly, from Yahoo! e-group digest messages which
seem to have _dreadfully_ bad HTML formatting.

Aside from that, none. As the system I'm on about is only used by my
wife and I, we'd get told fairly quickly if a message was rejected when
it shouldn't be. Or maybe that's the point of this - maybe, in actual
fact, we'd get no such thing.

Interesting - from that I can deduce, albeit not very scientifically,
that measurement of false positives is impossible without efficient and
consistent third-party reporting. Or, maybe, I can just process the logs
(considering I know who emails me, most of the time).

Graeme