Re: [exim] smtp flood defense

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Author: Ian FREISLICH
Date:  
To: Matt
CC: exim-users
Subject: Re: [exim] smtp flood defense
Matt wrote:
> > >         delay = 10s

> >
> > Very bad idea to add delays if you are suffering from too many concurrent
> > connections!
>
> You could defer instead.


Except that I've seen reports of zombie armies reconnecting at very
high rates when their connections are dropped. And defering on
connect doesn't give you the connection slot back until the remote
end disconnects, the connection times out or you drop it.

Ian

--
Ian Freislich