Google Outbound Services Configuration Guide Manual de usuario descargar pdf (Pagina 128)

Postfix 139

2. Restart Postfix by running the following command:

# sudo postfix reload

Test Outbound Mail

Check the mail queues of the mail server.

1. In the Internet Mail Service Properties select the Queues tab. 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.

4. Confirm that your mail server is not an open relay. An open relay will make

your mail server vulnerable to hijacking from spammers and will most likely

cause an interruption in service.

Use an external open relay test, such as

http://www.mxtoolbox.com/

diagnostic.aspx

http://www.spamhelp.org/shopenrelay/

. If the result

shows that you have an open relay, correct your private relay settings. If you

see an uncertain response (such as “maybe” or “warning”) then check that

your private relay settings are correct.

See “Set Up Reinjection” on page 138 for the correct private relay settings.

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Google Outbound Services Configuration Guide Manual de usuario Pagina 128