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Post.Office

Re: open relay

To: post_office@xxxxxxxxxxxxxxx
Subject: Re: open relay
From: Bob Minor <bob@xxxxxxxxxxxxx>
Date: Wed, 29 Jan 2003 00:33:29 -0600
right but its not suppose to. Its suppose to see its not for the local domain and then reject it.

On Tuesday, January 28, 2003, at 11:46 PM, Bruce Sommer wrote:

"When relay restrictions are set using domain names, Post.Office checks the
return address on the envelope of every message in the system against the list
of allowed or restricted domains. Because a user can easily alter his/her return
address to include any domain, using domains to restrict or allow relaying is
not as secure as restricting by IP addresses."

Robert Minor

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