I am trying to communicate with my youth football team.  For the past several weeks I have been sending out communications to the parents and send them in a BCC. 

On Wednesday I started to get error messages that my email was undeliverable.  I am not getting the following message for every mail item I send.

I can't send a simple thank you to a sender.

The following recipient(s) cannot be reached:

      Johnson, Keith on 11/14/2013 7:01 AM

            552 5.3.4 Requested action aborted; Our daily message limit was meant to stop spammers--we're sorry that it's getting in your way. You can wait a day to send your message.