Re: [exim] Brute Force Address Detection

Αρχική Σελίδα
Delete this message
Reply to this message
Συντάκτης: Nick Miller
Ημερομηνία:  
Προς: exim-users
Αντικείμενο: Re: [exim] Brute Force Address Detection
Tony Finch wrote:

>On Tue, 3 May 2005, Nick Miller wrote:
>
>
>>Is there any way to configure exim to block a host after x number of
>>failed rcpt attempts?
>>
>>
>
>The Exim specification says:
>
> As a more realistic example, in an ACL you might have
>
>     deny   message = Too many bad recipients
>            condition =                    \
>              ${if and {                   \
>                {>{$rcpt_count}{10}}       \
>                {                          \
>                <                          \
>                  {$recipients_count}      \
>                  {${eval:$rcpt_count/2}}  \
>                }                          \
>              }{yes}{no}}

>
> The condition is true if there have been more than 10 RCPT commands and
> fewer than half of them have resulted in a valid recipient.
>
>Tony.
>
>


Thanks, Tony. It's much appreciated. I figured it would have to be in
the ACL section.

Regards,
-Nick