Comodo Antispam Gateway
Admin Guide ver 2.12
English
Update MX Records in Windows 2003/2008 Server
1. Open Control Panel by clicking Start > Control Panel and click 'Administrative Tools'.
2. Select 'DNS'.
3. Open the 'Forward Lookup Zones' folder.
4. To back up the current configuration, right-click the sub-folder for the mail domain you are configuring, select 'export' from the context sensitive menu and save the configuration in a safe location.
5. Open the zone/domain sub-folder for that mail domain.
6. Delete all the existing MX records in that zone/domain.
7. Create a new record for your primary mail server. Enter the FQDN of your preferred CASG service domain. CASG primary service domains are:
EU: mxpool1.spamgateway.comodo.com
US: mxpool1.us.spamgateway.comodo.com
Assign a priority of 1 as this is your primary service.
Click 'OK' to save your record.
8. Create a new record for your secondary mail server. Enter the FQDN of your preferred CASG service domain. CASG secondary service domains are:
EU: mxpool2.spamgateway.comodo.com
Please note there is no secondary service domain for the US based service. Leave it blank.
Assign a priority of 2 as this is your secondary service.
Click 'OK' to save your record.
9. Right-click the zone/domain folder and select 'Properties' from the pop-up menu.
10. Select the 'Start of Authority (SOA)' tab, click the 'Increment' button and click 'OK'.
