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Date:      Wed, 15 Feb 2006 10:28:08 -0600 (CST)
From:      Philip Hallstrom <freebsd@philip.pjkh.com>
To:        James Csoka <jimcsoka@dominionfirstmortgage.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Blocking an individual email address
Message-ID:  <20060215102656.A63014@bravo.pjkh.com>
In-Reply-To: <03bf01c63247$d1c78ae0$2e07a8c0@domfirst.local>
References:  <03bf01c63247$d1c78ae0$2e07a8c0@domfirst.local>

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> I am running a FreeBSD 5.4p10 machine at my office.  It functions as our 
> firewall and mailserver.  I am running Mailscanner, which invokes 
> sendmail when necessary to process mail.  Sendmail is not started by 
> default....Mailscanner invokes individual instances of it when it needs 
> to.
>
> Here is my problem.  I have an employee at my office that is sending 
> work email to her home email address.  I need to find a way to block her 
> email address, whether To, From, Cc, Bcc, or whatever, from passing 
> through my mailserver.  I have already added a line to /etc/mail/access 
> (in the format email@address.com REJECT), and have run makemap hash 
> /etc/mail/access.db < /etc/mail/access.  I tested this with my personal 
> email address (external to my network), and it had the effect of 
> blocking any email orginating from my personal email to any address at 
> my work, however it does not prevent me from sending emails to this 
> address from a work address, which is the whole point.

I doubt we know the whole story, but even if you do find a way to make 
this work what stops her from...

- emailing her work to her gmail/hotmail/yahoo account?
- copying her email and putting it on a thumb drive?
- printing it out and taking it home?

If you are trying to stop her from taking "work material" home then you've 
got a much bigger problem.



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