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Network Security Firewalls
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RE: SMTP Relay

Subject: RE: SMTP Relay
Date: Mon, 16 Aug 2004 16:12:35 -0700
You cannot configure a PIX firewall to act as an SMTP relay.  Although
it supports the Mail Guard feature, you still need a separate SMTP relay
server to hanldle incoming and outgoing Internet email.




********************************************
Joe Palomo CISSP - Sr. Network Engineer 
Network Systems Department - MIS Unit          
Sacramento Superior Court            
palomoj@saccourt.com
********************************************

 

-----Original Message-----
From: David Hawley [mailto:rhino007_us@yahoo.com] 
Sent: Thursday, August 12, 2004 9:18 AM
To: 'Aaron'
Cc: firewalls@securityfocus.com
Subject: RE: SMTP Relay

The PIX Firewall handles SMTP with "Application Inspection" on port 25,
there is support for both NAT and PAT.  ALSO PIX supports something
Cisco Calls "Mail Guard" under Application Inspection, for 7 commands
only, to make mail more secure, unsupported commands return a "NOOP",
you might have To disable Mail Guard for certain servers such as
Microsoft's Exchange and A server running ESMTP.  PIX will inspect the
order of these 7 commands to Make sure they come in, in the proper order
and that they are formatted correctly.

Cheers, David Hawley CISSP

-----Original Message-----
From: Aaron [mailto:agflem@yahoo.ca]
Sent: Wednesday, August 11, 2004 12:04 PM
Cc: firewalls@securityfocus.com
Subject: SMTP Relay

Is it possible to setup a PIX for SMTP relay?




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