If you want to deny all traffic from that host I would add the following command.access-list acl_outside deny ip host 216.17.156.110 anyThat will deny all IP traffic, not just tcp and upd.
First you need to create a static mapping to your Exchange Server.static (inside,outside) next you will need to create an access-list to allow SMTP traffic and possible POP3 traffic if you are using it.access-list 100 permit tcp any eq 25access-lis...
I am not sure what size organization this is for, but one option is to user front end and back end servers for Exchange. This requires Exchange 2000 Enterprise, but it allows you to put the front end server in the DMZ and it can accept and send your...
I would set it up so your users use the DNS name, but use the inside IP Address of the server. You can accomplish this by having an internal DNS server or using host files.
