alert messages to ironport need to use ISP outbound relay
I've noticed that alert messages being sent to ironport are being rejected at the firewall of my ISP. I must send all outgoing SMTP traffic from the ironport to the ISP relay. I'm not quite sure how to enable this capability. I've got a C160 series appliance. I do not use the ironport to send outbound mail from my exchange server. The exchange server sends mail directly to the ISP relay using the smarthost setting.
Re: alert messages to ironport need to use ISP outbound relay
Kevin, The mail originates on the appliance itself. I need to specify the upstream smarthost to use when the ironport sends messages to the ironport.com domain. In this case I'm not using the box to relay.
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...