Lyra is, in my words, a proof of concept for developing rich D3-powered information display with a browser GUI. Think of it as better than Excel and only 30% more complicated.
We were right, but failed to realize that social radius service like Facebook, Google+, Twitter, and the like would organically become almost zero cost curators.
If you're wanting to have multiple valid SSL certificates for many domains (say, for Drupal a multisite running on Aegir) on a single EC2 instance you'll, of course, need multiple IP addresses. While Amazon's VPC offerings seem like an easy win there are a few twists to get the server to respond to that second internal IP.
Postfix, it's used with many a LAMP stack to send out messages from a site, unfortunately it's prone to relaying many spam messages out of the box.
The below code can be easily appended to Postfix's main.cf to drastically reduce the authorization hole.
On Ubuntu you'll find the file at /etc/postfix/main.cf