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Date:      Tue, 4 Jun 2013 09:10:05 +0300
From:      Lena@lena.kiev.ua
To:        freebsd-questions@freebsd.org
Subject:   Re: Stop SMTP attack with pam_abl
Message-ID:  <20130604061005.GA919@lena.kiev>
In-Reply-To: <51ACCCBD.5030305@netfence.it>
References:  <mailman.1184.1370312345.7910.freebsd-questions@freebsd.org>

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> I have different sendmail based servers deployed and all of them are, 
> more or less frequently, subject to dictionary attacks.

> P.S. I'm not sticking with pam_abl if a better solution exists...

In Exim this can be done without separate software,
just with additions to config:
https://github.com/Exim/exim/wiki/BlockCracking
(this blocks both using stolen passwords and dictionary attacks).



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