Blocking an individual email address

James Csoka jimcsoka at
Wed Feb 15 07:53:31 PST 2006

Okay...I think I answered part of my question.  /etc/mail/access only
governs mail relaying.  Which would mean that of course, it wouldn't accept
mail from that address, but would have no problem sending mail to it.

So....any ideas on how I can simply block 1 particular email address,
without marking it as spam?

----- Original Message ----- 
From: "James Csoka" <jimcsoka at>
To: <freebsd-questions at>
Sent: Wednesday, February 15, 2006 10:52 AM
Subject: Blocking an individual email address

> 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 at      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.
> Does anyone have any ideas?  I could tag the address as spam, but I would
rather not.  There has to be a way to block anyone from sending to a certain
email address, I would think.
> Any help would be appreciated.
> -Jim
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