Default frontend receive connector settings exchange 2013 hybrid edition?

Question

Hi,
I am busy setting up a hybrid environment with exchange 2007 , exchange 2013 hybrid edition and office 365.
When installing exchange 2013 it creates a default frontend receive connector, on the security tab anonymous user is also selected.
Should i leave it this way?
At the moment the mx record is pointing to the exchange 2007, in the future i will change the mx record to the exchange cloud.
I can telnet and mail to the exchange 2013 server, but there is no spam protection, do i need the anonymous user if i am not intended to use this for the mx record, i suppose office 365 is going to use this connector.
(ps: still have to run the hybrid configuration wizard, waiting for dns ownership txt record)

Answer 1

Hi Steven,
Just as Ed said, the connector restrict access via IP address. We can also create another ones.
If you worry about the spam, I suggest enabling the Anti-Spam function on MBX server.
More details in the following articles:
Spam Protection 
http://technet.microsoft.com/en-us/library/jj218660(v=exchg.150).aspx
Enable Anti-Spam Functionality on Mailbox Servers
http://technet.microsoft.com/en-us/library/bb201691(v=exchg.150).aspx
Hope it is helpful
Thanks
Mavis
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