Hi all. My users are connected to the internet via cisco pix 515 with pix version6.3. However every morning we would have problem sending out emails from our mail clients. Only email face such problems, we have no such problems with other services like web surfing. We need to reboot the firewall to resolve the problem. Could it be a hardware problem with the firewall? Any thing that i can troubleshoot with? Thks in advance.
You may try adding the command "access-group dbclust in interface dbclust" also correct configuration on the SMTP server is necessary in order to ensure that you can successfully relay e-mails from the PIX to the specified e-mail client.
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...