Google Outbound Services Configuration Guide - Manual (Page 46)

Microsoft Exchange 2000/2003 Single Server (Smarthost method) 49
10. Click OK to get back to the Access tab, and click OK to close the Default
SMTP Virtual Server Properties.
11. If the reinjection servers are not outbound servers, then all servers along the
mailflow between the reinjection server and the outbound server must be
configured to allow the injection server to relay mail traffic through them.
12. Stop and restart the SMTP services.
Register Your IP in the Administration Console
After you have set up reinjection, enter the IP address of your outbound mail
server in the Administration Console. Do not change your smarthost until your IP
address is registered in Outbound Servers.
For instructions on how to register your IP in the Administration Console, see
“Register Your IP in the Administration Console” on page 15.
Increase Server Timeouts
To improve reliability of delivery, be sure to increase the timeouts of your outbound
mail server. This provides Outbound Services with some flexibility to handle slow
receiving mail servers.
Increase server timeouts
1. Select the Start Menu -> Programs -> Microsoft Exchange -> System
Manager.