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Date:      Sun, 15 Jul 2001 21:10:03 -0500 (EST)
From:      Richard Lucas <rlucas@solidcomputing.com>
To:        Metal Head <high@bsdmail.org>
Cc:        <freebsd-questions@FreeBSD.ORG>
Subject:   Re: Fw: failure notice + FreeBSD Security hole found!
Message-ID:  <20010715210617.N9376-100000@mx2.threeh.com>
In-Reply-To: <20010716015540.5858.qmail@bsdmail.org>

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On Mon, 16 Jul 2001, Metal Head wrote:

> Hello,
>    Why did this e-mail address(rossettigab@email.com) get rejected? I just created it 1 week ago. Read the msg below for the problem.

There is no reverse dns to the domain.

jcs1a.faxsav.com is an authorative nameserver for email.com.

>nslookup email.com 209.67.18.65
Server:  jcs1a.faxsav.com
Address:  209.67.18.65

Name:    email.com
Address:  202.123.209.131

>nslookup 202.127.209.131 209.67.18.65
Server:  jcs1a.faxsav.com
Address:  209.67.18.65

*** jcs1a.faxsav.com can't find 202.127.209.131: Non-existent host/domain


Some mail servers, including the FreeBSD one, requires there be reverse
dns entries to accept mail.


-Richard


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