Google Outbound Services Configuration Guide - Manual (Page 48)

Microsoft Exchange 2000/2003 Single Server (Smarthost method) 51
3. On the General tab, type in the appropriate hostname listed below in the field
labeled “Forward all mail through this connector to the following smart hosts”.
Forward outbound mail to
outbounds[your system number].obsmtp.com
where [your system number] is your system number. To find what system to
use, see “Identify Your System” on page 13.
4. Click OK to close the Advanced dialog and OK to save the changes and close
SMTP Virtual Server Properties.
Limit Address Space
If you are using this method, and you have SMTP Connectors, check all
Connectors associated with the Virtual Server. Limit the Address Space to only
local domains, whose traffic should not be routed to Outbound Services.
For each connector:
1. Right click the connector and click Properties
2. Click the Address Space tab
3. Remove the asterisk (*) entry and replace it with your own domain and any
other domains that should be routed locally
Option Two: Configure a Connector
With this option, a connector sends mail directly to the email security service. To
avoid delays, the retry interval is decreased so if a failure occurs, your mail server
recovers quickly.
Change Retry Interval
For each SMTP virtual server connector in the environment which is designated
as a bridgehead.
1. Right-click the SMTP Virtual Server and select Properties.
2. Click the Delivery tab.
3. Under Outbound, change the default values to the following:
First retry interval (minutes): 1
Second retry interval (minutes): 1
Third retry interval (minutes): 3
Subsequent retry interval (minutes): 5