Re: Does anyone allow Exc 5.5 to SMTP behind a FW to Internet?
Just add another listener on a second IP and use the same IronPort for both inbound and outbound email to the Internet, it's a whole lot better solution than exposing Exchange 5.5 to the Internet (even outbound behind a firewall).
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...