Technical Support
Chapter 1
Planning your deployment
General deployment considerations ................................................ 11
MTA usage ............................................................................ 11
Configuring Scanners .............................................................. 11
Positioning with other filtering products .................................... 12
Filtering internal deliveries ..................................................... 12
LDAP services ........................................................................ 12
Load balancing ...................................................................... 13
Adjusting MX records .............................................................. 13
Deployment models ...................................................................... 14
Basic gateway deployment ....................................................... 14
Multi-tier gateway deployment ................................................ 15
Post-gateway deployment ........................................................ 17
Chapter 2
Understanding system requirements
Factors that affect performance ...................................................... 19
Environmental factors that affect performance ............................ 19
Settings that affect performance ............................................... 20
Ports used by Symantec Mail Security ............................................. 21
Configuring your firewall for connections to public IM network
servers ........................................................................... 24
Chapter 3
Setting up the Symantec Mail Security Appliance
Before you set up your appliance ..................................................... 25
Compatible browsers ............................................................... 26
Configuring SSH clients to log into an appliance .......................... 26
Configuring your DNS for IM filtering ........................................ 27
How to set up the appliance ............................................................ 28
Configuring your network to include the new appliance ................. 29
Understanding key indicators and controls for rack-mounted
appliances ...................................................................... 29
Initialize your new appliance .................................................... 30
Contents