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Date:      Fri, 5 Jan 2007 19:47:56 -0600
From:      "Rob W." <rob@fiberuplink.com>
To:        <freebsd-questions@freebsd.org>
Subject:   Mail being sent from my domain...
Message-ID:  <00bb01c73134$b061fa60$0a32a8c0@rob>

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I hope I'm in the right area and someone could possibly help me with =
this.

I am running FreeBSD 5.4. I installed qmail from www.qmailrocks.org

Everything is working correctly and I do have spamassassin and clamav =
installed and working.

Lately I have been getting emails back saying that someone is sending =
mail out from xyz@mydomain.com. If anybody can help. I do have the patch =
installed so that open relay is disabled and a user needs an account on =
the qmail system. I have been watching the email accounts and it has not =
been breached as far as security.

Is it possible for people to send email out from my domain name and have =
fake users acting as comming from my network? If so, is there anything I =
can do stop this or prevent it?

Thanks.



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