Author: Lena Date: To: exim-users Subject: Re: [exim] catching brute foce smtp auth - what condition?
> How to catch brute foce smtp auth attempts only? (== bad login or > password provided)
https://github.com/Exim/exim/wiki/BlockCracking > Condition like:
>
> ${if eq{$authentication_failed}{1}}
>
> doesn't work because it also catches cases where client cancelled smtp
> auth attempt (rfc2554 and "*").