Have not been able to figure out how the Cisco Spam Blocker appliance fits into the topology behind a firewall. Would appreciate any comments.
1) Can a mail server be completely isolated from the Internet with the Spam Blocker as its gateway, or does the mail server still need its own IP/DNS A records for POP/IMAP and SMTP access by authorized remote users (road warriors).
2) Can one appliance service more than one mail server? (e.g., primary and backup servers.)
We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...