I got the same email and was also assuming rejection. I think it was supposed to be a "check the portal" email, because I checked back and had received this same "application is complete" email back in december.
Does anyone know if UMBC officially sent out all interview invites? I know they sent an email a while back that there would be decisions by January 13th, but I saw a post a day or so ago in which someone contacted and said that they were still reviewing this week and was just wondering if anyone knew