I am having issues publishing SMTP via our ASA 5525.
I feel like i have everything correct but not working. Note that we only allow SMTP outbound and inbound from a particular set of IPs. Is there something different i need to do when publishing SMTP?
Here is what i am doing.
object-group service obj_mail_services description This is group is for standard mail protocols service-object tcp destination eq smtp service-object tcp destination eq smtps service-object tcp destination eq pop
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...
[toc:faq]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 and UDP are I...