I am able to receive emails just fine on this new PC.  I've been in contact with my ISP and they have remoted in spending over two hours trying to figure out why it wont' send emails.  Here's the message I receive:

Dell Inspiron 3847 running Windows 8.1.  New out of the box today. 

An unknown error has occurred.

Subject 'test'
Server Error: 421
Server Response: 421 pacmmta54 pacmmta54 4.7.1 - Connection Refused - 207.177.43.233 - Too many connections
Server: 'smtp.windstream.net'
Windows Live Mail Error ID: 0x800CCC67
Protocol: SMTP
Port: 587
Secure(SSL): No