Send multiple admin mails when user registers

[kanampalli]

Hello,
I am trying to add multiple email id under admin email address for customer activation extension. I tried adding 3 emaild's but I am not getting user registered notification in all three Emailid's . Let me know how to do this. What changes I have to do?

I added like this: (Here the issue is it is selecting based on alphabetical and choosing only one email id and sending customer registration notification.)
Admin Email Address: [email protected],[email protected],[email protected]