Google Outbound Services Configuration Guide - Manual (Page 104)

IBM Lotus Domino (Private DNS Method) 111
4. Select “Use the following DNS server addresses” and enter the appropriate IP
address for your system.
Because DNS lookups occur before domain names are resolved, you must
use an IP address for Private Outbound DNS. Private outbound DNS cannot
use domain names.
The appropriate IP address depends on your system. To find what system to
use, see “Identify Your System” on page 13.
5. Restart the domino router task via console.
6. Restart the domino SMTP task via console.
Test Outbound Mail
Check the mail queues of the mail server.
1. Check the mail queues of the mail server to look for items with a retry state
which could indicate outbound mail delays.
2. Send a message from a mail client inside your network to an outside address.
You should see a line in the header email which indicates being received and
delivered by
exprodNobM.obsmtp.com , where N and M are numbers.
3. Test inbound mail to confirm normal functionality. Send a message from an
outside email address to an address on your service.
System IP Address to use for Private Outbound DNS
5 64.18.4.12
6 64.18.5.12
7 64.18.6.12
8 64.18.7.12
9 74.125.148.12
10 74.125.244.12
20 64.18.9.14
200 207.126.147.11
201 207.126.154.11