Apache Commons Mail Erroring on Server Contact

I have a Java app that sends email via Apache Commons Email. The app works just find on my development environment, but when I deploy it to the server, I'm getting an error that Commons couldn't connect to the email server. org.apache.commons.mail.EmailException: Sending the email to the following failed : 255.255.255.255 :587 ...Error authenticating with server. Just to be sure this wasn't