I never got that email. I received an email on Jan 5 th stating my application would not be reviewed because they had yet to receive my transcripts ( I sent them out late Dec.) I did not hear anything back until the acceptance.
I received the acceptance from Penn's MA in ECS. I submitted my application on Dec 29th. The program sent me an email on Jan 24th, and the school sent me the official letter the next day. I hope this info helps.