Re: [exim] Drop message after first unknown user

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Autor: Merlin Hartley
Data:  
Dla: jarek
CC: exim-users
Temat: Re: [exim] Drop message after first unknown user
You may want to look at Fail2Ban for this sort of thing… it can monitor your logs and put firewall block in place to stop repeat offenders.

http://www.fail2ban.org/wiki/index.php/Main_Page


--
Merlin Hartley
IT Systems Engineer
MRC Mitochondrial Biology Unit
Cambridge, CB2 0XY
United Kingdom

> On 3 Mar 2016, at 11:21, jarek <jarek@???> wrote:
>
> Hello!
>
>     Is it possible, to configure exim, so it will drop/reject message
> processing after first "Unknown user" ?
>     One of my servers is under permanent DDOS with thousands of clients
> trying to send messages to non existing recipients.

>
>
> best regards
> Jarek
>
>
> --
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